10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-Q

ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended September 30, 2017

or

o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period

from                                          to

Commission File Number: 001-33961

HILL INTERNATIONAL, INC.

(Exact name of registrant as specified in its charter)

Delaware	20-0953973
(State or other jurisdiction of	(I.R.S. Employer
incorporation or organization)	Identification No.)

One Commerce Square 2005 Market Street, 17th Floor Philadelphia, PA	19103
(Address of principal executive offices)	(Zip Code)

Registrant’s telephone number, including area code:  (215) 309-7700

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months, and (2) has been subject to such filing requirements for the past 90 days.    Yes  o     No  ý

Indicate by a check mark whether the registrant has submitted electronically and posted on its corporate website, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§229.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).    Yes  o     No  ý

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer or a smaller reporting company. See the definitions of “large accelerated filer”, “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act.

Large Accelerated Filer	o	Accelerated Filer	ý
Non-Accelerated Filer	o	Smaller Reporting Company	o
		Emerging Growth Company	o

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

Indicate by check mark whether the registrant is a shell company as defined in Rule 12b-2 of the Exchange Act.    Yes  o     No  ý

There were 55,135,158 shares of the Registrant’s Common Stock outstanding at July 6, 2018.

Explanatory Note

On May 8, 2018, the Hill International Inc. (the "Company") filed its Annual Report on Form 10-K/A Amendment No. 2 which amended and restated the Company’s financial statements as of December 31, 2016, and for each of the three years in the period ended December 31, 2016 and the related notes thereto originally filed on Form 10-K with the SEC on March 31, 2017. This Form 10-Q amends the Company’s unaudited consolidated financial statements for the three and nine months ended September 30, 2016 and the related notes thereto, included on Form 10-Q filed on August 14, 2016 and Form 10-Q/A filed on August 15, 2016 (“Prior Filings”).

This restatement in this Form 10-Q ("Restatement") reflects the correction of the following errors identified subsequent to the filing of the Prior Filings:

A. The Company determined that it had not previously accounted for certain foreign currency gains/losses on intercompany balances and transactions in accordance with U. S. generally accepted accounting principles ("US GAAP"). The Company improperly accounted for the foreign currency effect of certain transactions as if they were long-term investments by including the foreign currency effect in accumulated other comprehensive income instead of properly recording the effect as operating expenses as required under Accounting Standard Codification (ASC) 830 “Foreign Currency Matters.”

B. The Company identified departures from US GAAP under ASC 605-35 “Construction-Type and Production-Type Contracts” in its historical accounting for revenue recognition on six long-term customer contracts with fee constraints (e.g., fixed fee, lump sum, maximum contract value). The Company enters into agreements for construction management and consulting services with customers, and the guidance of ASC 605-35 states that contracts for construction consulting services, such as under agency contracts or construction management agreements, fall within the scope of the standard and should follow either Percentage of Completion or Completed Contract methods of accounting. Historically, the Company had not consistently applied the percentage of completion method of revenue recognition.

C. The Company discovered that it had not properly performed the required impairment testing of amortizable intangible assets in accordance with US GAAP in that an asset that was no longer in use as of July 2013 was not identified and impaired. In addition, an improper useful life was used for some of the Company’s internally developed software assets resulting in an improper amount of amortization expense being recorded in previous periods.

D. The Company discovered that the amounts of liabilities pertaining to the obligation for end of service benefits in six foreign countries were improperly accounted for under the guidance in ASC 715 “Compensation — Retirement Benefits”.

E. The Company determined the accrual for uncertain tax benefits taken with respect to income tax matters in Libya had been improperly released during 2013 and 2014 prior to the expiration of the statute of limitations on the Libyan tax authority’s right to audit the related tax years.

F. During the restatement process, the Company identified other transactions that had been recorded to incorrect accounts and/or in improper amounts.

G. Some of the corrections noted above impacted earnings (loss) before taxes which, in turn, required a calculation of the tax impact.

This Form 10-Q does not reflect adjustments for events occurring after the filing of the Prior Filings except to the extent they are otherwise required to be included and discussed herein and did not substantively modify or update the disclosures herein other than as required to reflect the adjustments described above. See Note 1 to the accompanying consolidated financial statements, set forth in Item 1 of this Form 10-Q, for additional information.

See “Item 9A — Controls and Procedures” to the Company’s Amended Form 10-K/A filed on May 8, 2018 that discloses additional material weaknesses in the Company’s internal controls associated with the restatement, as well as management’s restated conclusion that the Company’s internal controls over financial reporting were not effective as of December 31, 2016. As disclosed therein, management is currently developing and implementing the changes needed in the Company’s internal control over financial reporting to remediate these material weaknesses. These changes are still in process.

HILL INTERNATIONAL, INC. AND SUBSIDIARIES

Index to Form 10-Q

PART I	FINANCIAL INFORMATION
Item 1.	Financial Statements	5
	Consolidated Balance Sheets at September 30, 2017 (unaudited) and December 31, 2016	5
	Consolidated Statements of Operations for the three and nine months ended September 30, 2017 and 2016 (unaudited)	6
	Consolidated Statements of Comprehensive (Loss) Earnings for the three and nine months ended September 30, 2017 and 2016 (unaudited)	7
	Consolidated Statements of Cash Flows for the nine months ended September 30, 2017 and 2016 (unaudited)	8
	Notes to Consolidated Financial Statements	9
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	30
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	41
Item 4.	Controls and Procedures	42
PART II	OTHER INFORMATION	42
Item 1.	Legal Proceedings	43
Item 1A.	Risk Factors	43
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	43
Item 3.	Defaults Upon Senior Securities	43
Item 4.	Mine Safety Disclosures	43
Item 5	Other Information	43
Item 6.	Exhibits	43
Signatures

3

PART I

CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS

This report contains “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995, and it the Company's intent that any such statements be protected by the safe harbor created thereby. Except for historical information, the matters set forth herein including, but not limited to, any projections of revenues, earnings, earnings before interest, taxes, depreciation and amortization (“EBITDA”), margin, profit improvement, cost savings or other financial items; any statements of belief, any statements concerning the Company's plans, strategies and objectives for future operations; and any statements regarding future economic conditions or performance, are forward-looking statements.

These forward-looking statements are based on the Company's current expectations, estimates and assumptions and are subject to certain risks and uncertainties. Although the Company believes that the expectations, estimates and assumptions reflected in our forward-looking statements are reasonable, actual results could differ materially from those projected or assumed in any of our forward-looking statements.

Those forward-looking statements may concern, among other things:

• The markets for the Company's services;

• Projections of revenues and earnings, anticipated contractual obligations, funding requirements or other financial items;

• Statements concerning the Company's plans, strategies and objectives for future operations; and

• Statements regarding future economic conditions or the Company's performance.

Important factors that could cause the Company's actual results to differ materially from estimates or projections contained in our forward-looking statements include:

• The risks set forth in Item 1A, “Risk Factors,” in the Company's most recent Annual Report on Form 10K/A;

• Unfavorable global economic conditions may adversely impact its business;

• Backlog, which is subject to unexpected adjustments and cancellations, may not be fully realized as revenue;

• The Company may incur difficulties in implementing the Profit Improvement Plan;

• The Company's expenses may be higher than anticipated;

• Modifications and termination of client contracts;

• Control and operational issues pertaining to business activities that the Company conducts pursuant to joint ventures with other parties;

• Difficulties that may incur in implementing the Company's acquisition strategy; and

• The need to retain and recruit key technical and management personnel.

Other factors that may affect the Company's business, financial position or results of operations include:

• Unexpected delays in collections from clients, particularly those located in the Middle East;

• Risks of the Company's ability to obtain debt financing or otherwise raise capital to meet required working capital needs and to support potential future acquisition activities;

• Risks of international operations, including uncertain political and economic environments, acts of terrorism or war, potential incompatibilities with foreign joint venture partners, foreign currency fluctuations, civil disturbances and labor issues; and

• Risks of contracts with governmental entities, including the failure of applicable governing authorities to take necessary actions to secure or maintain funding for particular projects with us, the unilateral termination of contracts by the government and reimbursement obligations to the government for funds previously received.

The Company does not intend, and undertakes no obligation to, update any forward-looking statement. In accordance with the Reform Act, Item 1A of this Report entitled “Risk Factors” contains cautionary statements that accompany those forward-looking statements. You should carefully review such cautionary statements as they identify certain important factors that could cause actual results to differ materially from those in the forward-looking statements and from historical trends. Those cautionary statements are not exclusive and are in addition to other factors discussed elsewhere in this Form 10-Q, in our other filings with the SEC or in materials incorporated therein by reference.

4

PART I — FINANCIAL INFORMATION

Item 1.Financial Statements.

HILL INTERNATIONAL, INC. AND SUBSIDIARIES

CONSOLIDATED BALANCE SHEETS

(In thousands)

	September 30, 2017			December 31, 2016
	(unaudited)
Assets
Assets
Cash and cash equivalents	$	14,933		$	25,637
Cash - restricted	4,534			4,312
Accounts receivable, less allowance for doubtful accounts of $67,952 and $71,082	155,562			164,844
Accounts receivable - affiliates	6,963			5,712
Prepaid expenses and other current assets	7,628			7,751
Income tax receivable	4,515			3,554
Current assets held for sale	—			54,651
Total current assets	194,135			266,461
Property and equipment, net	13,940			16,389
Cash - restricted, net of current portion	1,160			313
Retainage receivable	9,778			17,225
Acquired intangibles, net	4,556			6,006
Goodwill	53,041			50,665
Investments	4,469			3,501
Deferred income tax assets	3,573			3,200
Other assets	5,493			4,224
Non-current assets held for sale	—			32,091
Total assets	$	290,145		$	400,075
Liabilities and Stockholders’ Equity
Current maturities of notes payable and long-term debt	$	2,695		$	1,983
Accounts payable and accrued expenses	82,717			85,680
Income taxes payable	12,323			4,874
Current portion of deferred revenue	3,761			12,943
Other current liabilities	10,430			8,157
Current liabilities held for sale	—			25,888
Total current liabilities	111,926			139,525
Notes payable and long-term debt, net of current maturities	31,443			142,120
Retainage payable	641			961
Deferred income taxes	2,874			560
Deferred revenue	9,511			22,804
Other liabilities	14,710			12,666
Non-current liabilities held for sale	—			5,087
Total liabilities	171,105			323,723
Commitments and contingencies
Stockholders’ equity:
Preferred stock, $0.0001 par value; 1,000 shares authorized, none issued	—			—
Common stock, $0.0001 par value; 100,000 shares authorized, 59,358 shares and 58,835 shares issued at September 30, 2017 and December 31, 2016, respectively	6			6
Additional paid-in capital	195,890			190,353
Accumulated deficit	(44,097		)	(81,349		)
Accumulated other comprehensive loss	(5,150		)	(4,611		)
	146,649			104,399
Less treasury stock of 6,977 shares at September 30, 2017 and December 31, 2016, respectively	(30,041		)	(30,041		)
Hill International, Inc. share of equity	116,608			74,358
Noncontrolling interests	2,432			1,994
Total equity	119,040			76,352
Total liabilities and stockholders’ equity	$	290,145		$	400,075

 See accompanying notes to consolidated financial statements.

5

HILL INTERNATIONAL, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF OPERATIONS

(In thousands, except per share data)

(Unaudited)

	Three Months Ended September 30,						Nine Months Ended September 30,
	2017			2016			2017			2016
				(As restated)						(As restated)
Revenues	$	123,192		$	121,222		$	364,748		$	390,830
Direct expenses	85,875			82,329			251,191			267,984
Gross profit	37,317			38,893			113,557			122,846
Selling, general and administrative expenses	38,945			46,867			112,482			118,983
Share of loss (profit) of equity method affiliates	—			12			(48		)	28
Operating profit (loss)	(1,628		)	(7,986		)	1,123			3,835
Interest and related financing fees, net	1,035			606			2,066			1,810
(Loss) Earnings before income taxes	(2,663		)	(8,592		)	(943		)	2,025
Income tax (benefit) expense	(1,068		)	2,318			(368		)	5,523
Loss from continuing operations	(1,595		)	(10,910		)	(575		)	(3,498		)
Discontinued operations:
Loss from discontinued operations, net of tax	(752		)	(540		)	(12,304		)	(2,357		)
Gain (Loss) on disposal of discontinued operations, net of tax	(1,892		)	—			50,303			—
Total gain (loss) from discontinued operations	(2,644		)	(540		)	37,999			(2,357		)
Net (loss) earnings	(4,239		)	(11,450		)	37,424			(5,855		)
Less: net earnings - noncontrolling interests	55			96			175			57
Net (loss) earnings attributable to Hill International, Inc.	$	(4,294	)	$	(11,546	)	$	37,249		$	(5,912	)
Basic loss per common share from continuing operations	$	(0.03	)	$	(0.21	)	$	(0.01	)	$	(0.07	)
Basic loss per common share from discontinued operations	(0.01		)	(0.01		)	(0.24		)	(0.04		)
Basic gain (loss) on disposal of discontinued operations, net of tax	(0.04		)	—			0.97			—
Basic (loss) earnings per common share - Hill International, Inc.	$	(0.08	)	$	(0.22	)	$	0.72		$	(0.11	)
Basic weighted average common shares outstanding	52,371			51,753			52,065			51,704
Diluted loss per common share from continuing operations	$	(0.03	)	$	(0.21	)	$	(0.01	)	$	(0.07	)
Diluted loss per common share from discontinued operations	(0.01		)	(0.01		)	(0.24		)	(0.04		)
Diluted gain (loss) on disposal of discontinued operations, net of tax	(0.04		)	—			0.97			—
Diluted (loss) earnings per common share - Hill International, Inc.	$	(0.08	)	$	(0.22	)	$	0.72		$	(0.11	)
Diluted weighted average common shares outstanding	52,371			51,753			52,065			51,704

See accompanying notes to consolidated financial statements.

6

HILL INTERNATIONAL, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) EARNINGS

(In thousands)

(Unaudited)

	Three Months Ended September 30,						Nine Months Ended September 30,
	2017			2016			2017			2016
				(As restated)						(As restated)
Net earnings (loss)	$	(4,239	)	$	(11,450	)	$	37,424		$	(5,855	)
Foreign currency translation adjustment, net of tax	1,929			(160		)	(273		)	418
Other, net	—			79			—			135
Comprehensive earnings (loss)	(2,310		)	(11,531		)	37,151			(5,302		)
Less: Comprehensive loss attributable to non-controlling interests	454			1,914			438			394
Comprehensive earnings (loss) attributable to Hill International, Inc.	$	(2,764	)	$	(13,445	)	$	36,713		$	(5,696	)

See accompanying notes to consolidated financial statements.

7

HILL INTERNATIONAL, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF CASH FLOWS

(In thousands)

(Unaudited)

	Nine Months Ended September 30,
	2017			2016
				(As restated)
Cash flows from operating activities:
Net earnings (loss)	$	37,424		$	(5,855	)
Loss from discontinued operations	12,304			2,357
Gain on sale of discontinued operations, net of taxes (see note 2)	(50,303		)	—
Earnings (loss) from continuing operations	(575		)	(3,498		)
Adjustments to reconcile net earnings to net cash provided by (used in):
Depreciation and amortization	5,011			5,689
Provision for bad debts	2,350			10,827
Amortization of deferred loan fees	789			1,334
Deferred tax provision (benefit)	706			(685		)
Stock based compensation	2,671			1,680
Loss on sale of assets	184			—
Unrealized foreign exchange losses on intercompany balances	407			7,463
Changes in operating assets and liabilities:
Restricted cash	(1,051		)	(190		)
Accounts receivable	10,490			(3,468		)
Accounts receivable - affiliate	(1,243		)	(5,778		)
Prepaid expenses and other current assets	562			(671		)
Income taxes receivable	(566		)	(762		)
Retainage receivable	9,298			(14,498		)
Other assets	(4,305		)	6,944
Accounts payable and accrued expenses	(7,888		)	(8,822		)
Income taxes payable	516			(3,676		)
Deferred revenue	(25,061		)	7,030
Other current liabilities	2,131			1,604
Retainage payable	(326		)	(1,059		)
Other liabilities	843			1,435
Net cash (used in) provided by continuing operations	(5,057		)	899
Net cash (used in) provided by discontinued operations	(10,217		)	72
Net cash (used in) provided by operating activities	(15,274		)	971
Cash flows from investing activities:
Purchases of business	(123		)	—
Payments for purchase of property and equipment	(1,927		)	(1,498		)
Proceeds from sale of assets	60			—
Net cash used in investing activities of continuing operations	(1,990		)	(1,498		)
Net cash provided by (used in) investing activities of discontinued operations	129,247			(920		)
Net cash provided by (used in) investing activities	127,257			(2,418		)
Cash flows from financing activities:
Payments on term loans	(75		)	(900		)
Proceeds from term loans	30,000			—
Net (payments) borrowings on revolving loans	(28,885		)	8,937
Pay-off and termination of term loan	(117,494		)	—
Payments on Philadelphia Industrial Development Corporation loan	(42		)	(41		)
Deferred Acquisition price payments	—			(1,531		)
Dividends paid to noncontrolling interest	(18		)	(109		)
Payments of financing fees	(4,038		)	—
Proceeds from stock issued under employee stock purchase plan	138			74
Proceeds from exercise of stock options	1,838			219
Net cash (used in) provided by financing activities	(118,576		)	6,649
Effect of exchange rate changes on cash	(4,111		)	(8,072		)
Net decrease in cash and cash equivalents	(10,704		)	(2,870		)
Cash and cash equivalents — beginning of period	25,637			24,089
Cash and cash equivalents — end of period	$	14,933		$	21,219

 See accompanying notes to consolidated financial statements.

8

HILL INTERNATIONAL, INC.AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(in thousands, except per share data)

Note 1 — The Company

Hill International, Inc. (“Hill” or the “Company”) is a professional services firm that provides program management, project management, construction management and other consulting services primarily to the buildings, transportation, environmental, energy and industrial markets worldwide.  Hill’s clients include the U.S. federal government, U.S. state and local governments, foreign governments and the private sector.

Restatement of Previously Issued Unaudited Consolidated Financial Statements

On May 8, 2018, the Company filed its Annual Report on Form 10-K/A for the year ended December 31, 2016, which amended the Company’s audited consolidated financial statements for each of the years ended December 31, 2016, 2015 and 2014 and the related notes thereto. This Form 10-Q amends the Company’s unaudited consolidated financial statements for the three and nine months ended September 30, 2016 and the related notes thereto, included on Form 10-Q filed on August 8, 2016 (“Prior Filing”). The Restatement reflects the correction of the following errors identified for the three and nine months ended September 30, 2016 subsequent to the Prior Filing and the impact of restating the three months ended March 31, 2017 on the nine months ended September 30, 2017:

A. In connection with the accounting for the May 2017 sale of its Construction Claims Group, the Company determined that it had not previously accounted for certain foreign currency gains/losses on intercompany balances and transactions in accordance with accounting principles generally accepted in the United States (“US GAAP”). The Company improperly accounted for the foreign currency effect of certain transactions as if they were long-term investments by including the foreign currency effect in accumulated other comprehensive income instead of properly recording the effect as operating expenses as required under Accounting Standard Codification (ASC) 830 “Foreign Currency Matters.” As a result of these corrections, selling, general and administrative (“SG&A”) expenses increased $710 for the three months ended September 30, 2016; and decreased $1,813 and increased $1,186 for the nine months ended September 30, 2017 and 2016, respectively.

B. The Company identified departures from US GAAP under ASC 605-35 “Construction-Type and Production-Type Contracts” in its historical accounting for revenue recognition on nine long-term customer contracts with fee constraints (e.g., fixed fee, lump sum, maximum contract value). The Company enters into agreements for construction management and consulting services with customers, and the guidance of ASC 605-35-15-3D states that contracts for construction consulting services, such as under agency contracts or construction management agreements, fall within the scope of the standard and should follow either Percentage of Completion or Completed Contract methods of accounting. Historically, the Company had not consistently applied the percentage of completion method of revenue recognition. The corrections to properly apply U.S. GAAP to the identified contracts resulted in a decrease of $4,655 to revenues for the three months ended September 30, 2016; and increase of $3,130 and decrease of $499 to revenues for the nine months ended September 30, 2017 and 2016, respectively.

C. The Company discovered that it had not properly performed the required impairment testing of amortizable intangible assets in accordance with US GAAP in that certain assets no longer in use were not identified and impaired. In addition, an improper useful life was used for some of the Company’s internally developed software assets resulting in an improper amount of amortization expense being recorded in previous periods. The net effect of correcting these errors resulted in a $28 increase in SG&A expense for the three months ended September 30, 2016; and increases of $29 and $83 in SG&A expense for the nine months ended September 30, 2017 and 2016, respectively.

9

D. The Company identified other transactions that had been recorded to incorrect accounts and/or in improper amounts. The net corrections of these transactions resulted in an increase of $5 and a decrease of $757 in revenues for the three and nine months ended September 30, 2016, respectively, and a $5,421 increase in revenues for the nine months ended September 30, 2017; a $5,305 increase in direct expenses for the nine months ended September 30, 2017; a decrease of $798 and $3,306 in SG&A expenses for the three and nine months ended September 30, 2016, respectively and an increase of $473 in SG&A expenses for the nine month ended September 30, 2017; a $415 and a $1,245, increase in interest expenses for the three and nine months ended September 30, 2016, respectively; a $261 and $1,829 increase in net loss from discontinued operations for the three and nine months ended September 30, 2016, respectively and a $1,057 decrease in net loss from discontinued operations for the nine months ended September 30, 2017; and a $15 and $45 decrease in earnings from noncontrolling interest for the three and nine months ended September 30, 2016, respectively and a $58 increase in earnings from noncontrolling interest for the nine months ended September 30, 2017. In conjunction with the sale of the construction claims group, interest expense of $676 and $3,075 for the three and nine months ended September 30, 2016, respectively, and interest expense of $552 for the nine months ended September 30, 2017 was reclassified from continuing operations to discontinued operations.

E. Some of the corrections noted above impacted earnings (loss) before taxes which, in turn, required a calculation of the tax impact. The net impact was a decrease in income tax expense of $571 and $263 for the three and nine months ended September 30, 2016, respectively and an increase in income tax expense of $695 for the nine months ended September 30, 2017.

10

HILL INTERNATIONAL, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENT OF OPERATIONS

Three Months Ended September 30, 2016

(in thousands, except per share data)

	As Previously
	Reported			Adjustment			As Restated			Reference
Revenues	$	125,872		$	(4,650	)	$	121,222		B, D
Direct expenses	82,329			—			82,329
Gross profit	43,543			(4,650		)	38,893
Selling, general and administrative expenses	46,927			(60		)	46,867			A, C, D
Share of loss of equity method affiliates	12			—			12
Operating loss	(3,396		)	(4,590		)	(7,986		)
Interest and related financing fees, net	191			415			606			D
Loss before income taxes	(3,587		)	(5,005		)	(8,592		)
Income tax expense	2,889			(571		)	2,318			E
Loss from continuing operations	(6,476		)	(4,434		)	(10,910		)
Loss from discontinued operations	(279		)	(261		)	(540		)	D
Net loss	(6,755		)	(4,695		)	(11,450		)
Less: net earnings - noncontrolling interests	111			(15		)	96			D
Net loss attributable to Hill International, Inc.	$	(6,866	)	$	(4,680	)	$	(11,546	)
Basic loss per common share from continuing operations	$	(0.13	)	$	(0.08	)	$	(0.21	)
Basic loss per common share from discontinued operations	—			(0.01		)	(0.01		)
Basic loss per common share - Hill International, Inc.	$	(0.13	)	$	(0.09	)	$	(0.22	)
Basic weighted average common shares outstanding	51,753			—			51,753
Diluted loss per common share from continuing operations	$	(0.13	)	$	(0.08	)	$	(0.21	)
Diluted loss per common share from discontinued operations	—			(0.01		)	(0.01		)
Diluted loss per common share - Hill International, Inc.	$	(0.13	)	$	(0.09	)	$	(0.22	)
Diluted weighted average common shares outstanding	51,753			—			51,753

11

HILL INTERNATIONAL, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENT OF OPERATIONS

Nine Months Ended September 30, 2016

(in thousands, except per share data)

	As Previously
	Reported			Adjustment			As Restated			Reference
Revenues	$	392,087		$	(1,257	)	$	390,830		B, D
Direct expenses	267,984			—			267,984
Gross profit	124,103			(1,257		)	122,846
Selling, general and administrative expenses	121,020			(2,037		)	118,983			A, C, D
Share of loss of equity method affiliates	28			—			28
Operating profit	3,055			780			3,835
Interest and related financing fees, net	565			1,245			1,810			D
Earnings before income taxes	2,490			(465		)	2,025
Income tax expense	5,786			(263		)	5,523			E
Loss from continuing operations	(3,296		)	(202		)	(3,498		)
Loss from discontinued operations	(528		)	(1,829		)	(2,357		)	D
Net loss	(3,824		)	(2,031		)	(5,855		)
Less: net earnings - noncontrolling interests	102			(45		)	57			D
Net loss attributable to Hill International, Inc.	(3,926		)	(1,986		)	(5,912		)
Basic loss per common share from continuing operations	$	(0.07	)	$	—		$	(0.07	)
Basic loss per common share from discontinued operations	(0.01		)	(0.03		)	(0.04		)
Basic loss per common share - Hill International, Inc.	$	(0.08	)	$	(0.03	)	$	(0.11	)
Basic weighted average common shares outstanding	51,704			—			51,704
Diluted loss per common share from continuing operations	$	(0.07	)	$	—		$	(0.07	)
Diluted loss per common share from discontinued operations	(0.01		)	(0.03		)	(0.04		)
Diluted loss per common share - Hill International, Inc.	$	(0.08	)	$	(0.03	)	$	(0.11	)
Diluted weighted average common shares outstanding	51,704			—			51,704

12

HILL INTERNATIONAL, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME

Three Months Ended September 30, 2016

(in thousands)

	As Previously
	Reported			Adjustment			As Restated			Reference
Net loss	$	(6,755	)	$	(4,695	)	$	(11,450	)	A, B, C, D, E
Foreign currency translation adjustment, net	(1,638		)	1,478			(160		)	A, B, C, D
Other, net	79			—			79
Comprehensive loss	$	(8,314	)	$	(3,217	)	$	(11,531	)
Comprehensive earnings attributable to noncontrolling interest	132			1,782			1,914
Comprehensive loss attributable to Hill International Inc.	$	(8,446	)	(4,999		)	$	(13,445	)

HILL INTERNATIONAL, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME

Nine Months Ended September 30, 2016

(in thousands)

	As Previously
	Reported			Adjustment			As Restated			Reference
Net earnings	$	(3,824	)	$	(2,031	)	$	(5,855	)	A, B, C, D, E
Foreign currency translation adjustment, net	(1,257		)	1,675			418			A, B, C, D
Other, net	135			—			135
Comprehensive loss	$	(4,946	)	$	(356	)	(5,302		)
Comprehensive (loss) earnings attributable to noncontrolling interest	(1,223		)	1,617			394
Comprehensive loss attributable to Hill International Inc.	$	(3,723	)	$	(1,973	)	$	(5,696	)

In addition to the items noted above as part of the Restatement, the Company identified departures from US GAAP in its historical preparation and presentation of its statement of cash flows. The Company did not report its cash flows in the reporting currency equivalent of foreign currency using the exchange rates in effect at the time of the cash flows, or an appropriate average rate to approximate the rates in effect at the time of the cash flows. The impact of properly preparing a cash flow statement in each functional currency, translating the cash flow statement using the appropriate rate in effect at the time of a transaction, or substantially equivalent average rate for the period, and consolidation of the individual functional currency cash flows, as prescribed by the guidance in ASC 230, is depicted in the table below. The adjustments noted in the cash flow statements that follow are both a result of items “A” through “E” explained above, as well as the foreign currency effect from cash flow statements prepared in functional currency and appropriately translated.

13

HILL INTERNATIONAL, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENT OF CASH FLOW

Nine Months Ended September 30, 2016

(in thousands)

	As Previously
	Reported			Adjustment			As Restated
Cash flows from operating activities:
Net loss	$	(3,824	)	$	(2,031	)	$	(5,855	)
Loss from discontinued operations	—			2,357			2,357
Loss from continuing operations	(3,824		)	326			(3,498		)
Adjustments to reconcile net loss to net cash provided by (used in):
Depreciation and amortization	7,705			(2,016		)	5,689
Provision for bad debts	11,879			(1,052		)	10,827
Amortization of deferred loan fees	1,334			—			1,334
Deferred tax benefit	663			(1,348		)	(685		)
Stock based compensation	1,838			(158		)	1,680
Unrealized foreign exchange losses (gains) on intercompany balances	—			7,463			7,463
Changes in operating assets and liabilities:
Restricted cash	(69		)	(121		)	(190		)
Accounts receivable	2,652			(6,120		)	(3,468		)
Accounts receivable - affiliate	(5,665		)	(113		)	(5,778		)
Prepaid expenses and other current assets	(1,001		)	330			(671		)
Income taxes receivable	(756		)	(6		)	(762		)
Retainage receivable	(14,583		)	85			(14,498		)
Other assets	5,191			1,753			6,944
Accounts payable and accrued expenses	(8,582		)	(240		)	(8,822		)
Income taxes payable	(3,951		)	275			(3,676		)
Deferred revenue	124			6,906			7,030
Other current liabilities	2,639			(1,035		)	1,604
Retainage payable	(1,308		)	249			(1,059		)
Other liabilities	385			1,050			1,435
Net cash (used in) provided by continuing operations	(5,329		)	6,228			899
Net cash provided by discontinued operations	—			72			72
Net cash (used in) provided by in operating activities	(5,329		)	6,300			971
Cash flows from investing activities:
Payments for purchase of property and equipment	(2,584		)	1,086			(1,498		)
Net cash used in investing activities of continuing operations	(2,584		)	1,086			(1,498		)
Net cash used in investing activities of discontinued operations	—			(920		)	(920		)
Net cash used in investing activities	(2,584		)	166			(2,418		)
Cash flows from financing activities:
Payments on term loans	(900		)	—			(900		)
Net borrowings on revolving loans	8,950			(13		)	8,937
Payments on Philadelphia Industrial Development Corporation loan	(41		)	—			(41		)
Deferred acquisition price payments	(1,531		)	—			(1,531		)
Dividends paid to noncontrolling interest	(111		)	2			(109		)
Proceeds from stock issued under employee stock purchase plan	65			9			74
Proceeds from exercise of stock options	220			(1		)	219
Net cash provided by financing activities	6,652			(3		)	6,649
Effect of exchange rate changes on cash	(1,609		)	(6,463		)	(8,072		)
Net decrease in cash and cash equivalents	(2,870		)	—			(2,870		)
Cash and cash equivalents — beginning of period	24,089			—			24,089
Cash and cash equivalents — end of period	$	21,219		$	—		$	21,219

14

Note 2 - Discontinued Operations and Sale of Business Unit

On December 20, 2016, the Company and its subsidiary Hill International N.V. (“Hill N.V.” and, collectively with the Company, the “Sellers”) entered into a Stock Purchase Agreement (as amended on May 3, 2017, the “Agreement”) with Liberty Mergeco, Inc. (the “US Purchaser”) and Liberty Bidco UK Limited (the “UK Purchaser” and, collectively with the US Purchaser, the “Purchasers”) pursuant to which the Purchasers were to acquire the Construction Claims Group (the "Claims Group") by the US Purchaser’s acquisition of all of the stock of Hill International Consulting, Inc. from the Company and the UK Purchaser’s acquisition of all of the stock of Hill International Consulting B.V. from Hill N.V. for a total purchase price of $140,000 in cash reduced by assumed indebtedness and certain other items, as set forth in the Agreement.

The Claims Group sale closed on May 5, 2017 with an effective date of April 30, 2017 for a total purchase price of $140,000 in cash less: (1) an estimated working capital adjustment at closing amounting to approximately $8,449; and (2) approximately $2,187 of assumed indebtedness. In addition, the Company was required to provide a $3,750 letter of credit into escrow in order to secure certain of the Company’s indemnification obligations for 12 months following closing. The funds provided by the sale of the Construction Claims Group and the cash received upon the draw down under the 2017 Term Loan Facility and the amended Revolving Credit Facilities (described below) were required to be used as follows: (a) $117,000 to pay off the 2014 Term Loan Facility; (b) approximately $8,793 to pay down the International Revolver; and (c) approximately $1,214 to pay accrued interest and certain bank fees. The remaining proceeds along with a portion of the proceeds from the 2017 Term Loan were used to pay down the $25,000 U.S. Revolver.

The Company and the purchasers of the Construction Claims Group were unable to agree upon a final net working capital amount. After agreeing to a reduction in the proceeds of $3,203 and pursuant to the terms of the agreement, the Company participated in a dispute resolution process by which independent accounting experts determined in June 2018 that the final net working capital should be reduced by an additional $1,876. The total reduction in the proceeds from the buyer of $5,079 was completed and finalized in June 2018 and was included in calculating the gain during the second quarter of 2017.

The Company entered into a transition services agreement (the “TSA”) and certain other agreements with the Purchasers that govern the relationships between the Purchasers and the Company following the Claims Group sale. Pursuant to the TSA, the Company provides the Purchasers with certain specified services on a transitional basis for periods generally up to six months following the Claims Group sale, including support in areas such as facilities, finance, human resources, legal, marketing, technology and treasury. In addition, the Company granted the Purchasers a license to use certain office premises as specified in the TSA. The TSA also outlined the services that the Purchasers provide to the Company for a period of generally up to six months following the Claims Group sale, including support in areas such as finance, legal and treasury. The charges for the transition services and licensed premises generally allows the providing company to recover the incremental costs and expenses it actually incurs in connection with providing the services and premises apart from the provision of certain services that are to be provided at no cost for terms specified in the TSA.

As of April 30, 2017, the assets and liabilities of the Claims Group were reflected as held for sale in the Company’s Consolidated Balance Sheets, and the operating results and cash flows of the Claims Group were reflected as discontinued operations in the Company’s Consolidated Statements of Operations, Consolidated Statements of Comprehensive Earnings, and Consolidated Statements of Cash Flows for all periods presented.

15

The carrying amounts of assets and liabilities of the discontinued operations of the Claims Group that were classified as held for sale are as follows (in thousands): 

	April 30, 2017			December 31, 2016
Accounts receivable, net	47,611			50,892
Prepaid expenses and other current assets	3,153			3,064
Income taxes receivable	—			695
Total current assets classified as held for sale	$	50,764		$	54,651
Property and equipment, net	5,786			4,617
Acquired intangibles, net	3,289			3,397
Goodwill	23,454			23,461
Investments	5			6
Other assets	2,860			610
Total non-current assets classified as held for sale	$	35,394		$	32,091
Accounts payable and accrued expenses	15,960			21,539
Income taxes payable	(17		)	92
Deferred revenue	—			1,562
Other current liabilities	15,867			2,695
Total current liabilities classified as held for sale	$	31,810		$	25,888
Deferred income taxes	—			385
Deferred revenue	92			1,012
Retained Earnings	—			457
Other liabilities	1,257			3,233
Total non-current liabilities classified as held for sale	$	1,349		$	5,087
Net Assets	$	52,999		55,767

16

The line items constituting earnings from discontinued operations consist of the following (in thousands):

	Three Months Ended September 30,						Nine Months Ended September 30,
	2017 (1)			2016			2017 (1)			2016
				(As restated)						(As restated)
Revenues	$	—		$	42,203		$	62,149		$	127,909
Direct expenses	—			18,872			31,339			58,919
Gross profit	—			23,331			30,810			68,990
Selling, general and administrative expenses (2)	727			21,118			33,874			61,901
Operating (loss) profit	(727		)	2,213			(3,064		)	7,089
Interest and related financing fees, net (3)	—			2,762			8,858			8,293
Loss before income taxes	(727		)	(549		)	(11,922		)	(1,204		)
Pretax gain on the disposal of discontinued operations (4)	—			—			61,443			—
Earnings from discontinued operations before income taxes	(727		)	(549		)	49,521			(1,204		)
Income tax expense (benefit) (5)	1,917			(9		)	11,522			1,153
Net gain (loss) from discontinued operations	$	(2,644	)	$	(540	)	$	37,999		$	(2,357	)

(1) Results of operations for the Claims Group are reflected through April 30, 2017, the effective closing date of the Claims Group sale.

(2) No amortization or depreciation expense was recorded by the Company in 2017 as the Claims Group’s assets were held for sale as of December 31, 2016.

(3) In connection with the sale of the Claims Group, the Company was required to pay off its existing term loan facility and amend and pay down its existing revolving credit facilities (See Note 9). Interest expense and debt issuance costs attributable to the Claims Group were charged to discontinued operations.

(4) The pretax gain on the sale of the Construction Claims Group was calculated as follows (in thousands):

Adjusted purchase price              $129,364

Cash transferred to buyer             4,041

Net proceeds received from Purchaser     $125,323

Less net assets held for sale          52,999

Less other adjustments             10,881

Pretax gain on disposal             $61,443

(5) The effective tax rates on pretax income from discontinued operations were (263.7)% and 23.3% for the three and nine months ended September 30, 2017, respectively. The 2017 rate differs from the U.S. federal statutory rate of 35% primarily due to the taxability of the gain on the sale in the U.S and foreign jurisdictions. The “gain on disposal of discontinued operations, net of tax” decreased during the 3-months ended September 30, 2017 due to an increase in tax expense. The tax expense of $1,917 is offset by a tax benefit to continuing operations of $1,893 from the use of its additional loss for the 3-months ended September 30, 2017.

17

Note 3 - Liquidity

At September 30, 2017 our principal sources of liquidity consisted of $14,933 of cash and cash equivalents, $16,847 of available borrowing capacity under the Domestic Revolving Credit Facility, $9,876 of available borrowing capacity under the International Revolving Credit Facility and $2,100 under other foreign credit agreements. Additional information regarding the Company's credit facilities is set forth in Note 9 - Notes Payable and Long-Term Debt.

From July 1, 2018 to July 12, 2018, the date of this filing, the Company was not in compliance with the requirements of its Revolving Credit Facilities, which required the filing of this Quarterly Report on Form 10-Q by June 30, 2018. Upon the filing of this Quarterly Report on Form 10-Q, the Company is compliant under such requirements. Prior waivers of non-compliance with certain covenants in the Revolving Credit Facilities require the Company to file the Form 10-K for the 2017 fiscal year by July 17, 2018 and the Form 10-Q for the first quarter of 2018 by July 30, 2018. If the Company does not file such reports in accordance with these deadlines, it may again be in noncompliance with the requirements of the Revolving Credit Facilities.

Note 4 — Basis of Presentation

Basis of Presentation

The accompanying unaudited interim consolidated financial statements were prepared in accordance with the rules and regulations of the Securities and Exchange Commission pertaining to reports on Form 10-Q and should be read in conjunction with the consolidated financial statements and accompanying notes included in the Company’s Annual Report on Form 10-K/A (Amendment No. 2) for the year ended December 31, 2016. Accordingly, they do not include all of the information and footnotes required by US GAAP for complete financial statements. In the opinion of management, these statements include all adjustments (consisting only of normal, recurring adjustments) necessary for a fair presentation of the consolidated financial statements. The consolidated financial statements include the accounts of Hill and its wholly- and majority-owned subsidiaries. All intercompany balances and transactions have been eliminated in consolidation.

The preparation of financial statements in conformity with US GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. The interim operating results are not necessarily indicative of the results for a full year.

New Accounting Pronouncements

For information with respect to new accounting pronouncements and the impact of these pronouncements on our consolidated financial statements, see Note 5 to the consolidated financial statements in Item 8 of Form 10K/A (Amendment No. 2) for the year ended December 31, 2016 filed with the SEC on May 4, 2018. There have been no new pronouncements impacting our consolidated financial statements since that filing. See update below.

In May 2014, the FASB issued ASU 2014-09, Revenue from Contracts with Customers (Topic 606). This ASU supersedes the revenue recognition requirements in FASB ASC 605, Revenue Recognition, and most industry-specific topics. The new guidance identifies how and when entities should recognize revenue. The new rules establish a core principle requiring the recognition of revenue to depict the transfer of promised goods or services to customers in an amount reflecting the consideration to which the entity expects to be entitled in exchange for such goods or services. In connection with this new standard, the FASB has issued several amendments to ASU 2014-09 to provide additional clarification and implementation instructions relating to (i) principal versus agent considerations, (ii) identifying performance obligations and licensing, (iii) narrow-scope improvements and practical expedients and (iv) technical corrections and improvements. However, none of the amendments change the core principle of the guidance in ASU 2014-09.

The new guidance in ASU 2014-09, as well as all amendments, is effective for fiscal years, and interim periods within those years, beginning after December 15, 2017. The new guidance permits two methods of adoption, full retrospective or modified retrospective, and the Company anticipates that it will use the modified retrospective method of adoption in which the cumulative effect of applying the ASU will be recognized at January 1, 2018, the date of initial application. Management has implemented a plan of adoption and is continuing to evaluate the impact that adoption of this guidance will have on the Company’s financial statements.

18

The Company’s implementation plan includes the following:

• Forming an ASU 2014-09 working group comprised of management representatives.

• Analyzing the Company’s revenue streams.

• Selecting representative contracts within each revenue stream for evaluation under ASU 2014-09.

• Identifying the impact from the standard on current business processes.

• Evaluating additional disclosure requirements and monitoring changes to the Company’s internal controls.

Management has commenced its plan for adoption of ASU 2014-09 by reviewing various types of revenue contracts and disaggregated the revenue into two revenue streams: (i) fixed price and (ii) time and materials. Thus far, from its contract reviews, the Company does not anticipate a material impact to its results of operations as the pattern of revenue recognition and the measurement of variable consideration is expected to be consistent under the new standard. However, the Company’s initial assessment of the impact could change as the adoption plan progresses. The Company expects that there will be an impact to financial reporting due to the enhanced revenue disclosures and internal control over financial reporting due to the new disclosure requirements of ASC 606. The Company will adopt the requirements of the new standard effective January 1, 2018, in the Company's Form 10-Q for the three months ended March 31, 2018.

Note 5 — Accounts Receivable

The components of accounts receivable are as follows (in thousands):

	September 30, 2017			December 31, 2016
Billed	$	190,881		$	200,134
Retainage, current portion	10,950			10,824
Unbilled	21,683			24,968
	223,514			235,926
Allowance for doubtful accounts	(67,952		)	(71,082		)
Total	$	155,562		$	164,844

Unbilled receivables primarily represent revenue earned on contracts, which the Company is contractually precluded from billing until predetermined future dates.

There is approximately $9,778 included in non-current Retainage Receivable in the consolidated balance sheet at September 30, 2017. Of that amount, approximately $9,497 relates to retention and approximately $281 relates to a Defect and Liability Period (“DLP”), on the MOTC in Oman. Fifty percent of the DLP will be released one year from the commencement and the balance will be released upon the issuance of final Completion Certificates. This period commences upon the issuance of a “Taking Over Certificate” (by MOTC) to contractors, continues for a period of up to 24 months, and ends with the issuance of a final certificate closing the project.

19

Note 6 — Intangible Assets

The following table summarizes the Company’s acquired intangible assets (in thousands):

	September 30, 2017				December 31, 2016
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Client relationships	$	17,534	$	13,420	$	16,699	$	11,298
Acquired contract rights	2,043		2,007		2,058		1,912
Trade names	897		491		959		500
Total	$	20,474	$	15,918	$	19,716	$	13,710
Intangible assets, net	$	4,556			$	6,006

Amortization expense related to intangible assets was as follows (in thousands):

Three Months Ended September 30,				Nine Months Ended September 30, 2017
2017		2016		2017		2016
		(As restated)				(As restated)
$	493	$	286	$	1,556	$	2,279

The following table presents the estimated amortization expense based on our present intangible assets for the next five years (in thousands): 

	Estimated Amortization Expense
Year ending December 31,
2017 (remaining 3 months)	$	485
2018	1,088
2019	990
2020	728
2021	338

Note 7 — Goodwill

The following table summarizes the changes in the Company’s carrying value of goodwill during 2017 (in thousands):

Balance, December 31, 2016	$	50,665
Translation adjustments	2,376
Balance, September 30, 2017	$	53,041

20

Note 8 — Accounts Payable and Accrued Expenses

Below are the components of accounts payable and accrued expenses (in thousands):

	September 30, 2017		December 31, 2016
Accounts payable	$	29,002	$	30,944
Accrued payroll and related expenses	34,006		32,618
Accrued subcontractor fees	11,112		9,188
Accrued agency fees	2,075		5,702
Accrued legal and professional fees	1,549		2,223
Other accrued expenses	4,973		5,005
	$	82,717	$	85,680

Note 9 — Notes Payable and Long-Term Debt

Outstanding debt obligations are as follows (in thousands):

	September 30, 2017		December 31, 2016
2014 Term Loan Facility, net of unamortized discount and deferred financing costs of $4,416 at December 31, 2016	$	—	$	112,884
2017 Term Loan Facility, net of unamortized discount and deferred financing costs of $926 at September 30, 2017	28,999		—
Domestic Revolving Credit Facility	—		16,500
International Revolving Credit Facility	—		11,102
Borrowings under credit facilities with a consortium of banks in Spain	2,747		2,962
Borrowings under overdraft credit facilities with the National Bank of Abu Dhabi	1,779		—
Borrowings from Philadelphia Industrial Development Corporation	613		655
	34,138		144,103
Less current maturities, net of unamortized discount and deferred financing costs of $157 and $1,778 at September 30, 2017 and December 31, 2016, respectively.	2,695		1,983
Notes payable and long-term debt, net of current maturities	$	31,443	$	142,120

In conjunction with the sale of its Claims Group on May 5, 2017 (See Note 2), the Company terminated and paid off the 2014 Term Loan Facility and amended and paid down its Domestic and International Revolving Credit Facilities with Société Générale (the “Agent”), and other U.S. Loan Parties (the “U.S. Lenders”). There was approximately $117,000 outstanding under the 2014 Term Loan, $25,000 outstanding on the Domestic Revolving Credit Facility and €8,300 ($8,793) outstanding on the International Revolving Credit Facility prior to the debt extinguishment and modification. In the second quarter of 2017, the Company recorded a charge of approximately $4,024 for the write-off of unamortized debt issuance costs related to the extinguishment of the 2014 Term Loan Facility and approximately $325 for the write-off of unamortized debt issuance costs related to the modification and reduction of borrowing capacity of the Domestic Revolving Credit Facility. The write-off of unamortized debt issuance costs is included in the results from discontinued operations.

The Company is party to a credit agreement with Société Générale (the “Agent”), and other U.S. Loan Parties (the “U.S. Lenders”) consisting of the $30,000 (the "2017 Term Loan Facility") and a $25,000 U.S. dollar-denominated revolving credit facility (the “Domestic Revolving Credit Facility”, together with the 2017 Term Loan Facility, the “U.S. Credit Facilities”) available to the Company and a credit agreement with the Agent (the “International Lender”) providing a €9,156 ($10,000 at closing) revolving credit facility (the “International Revolving Credit Facility” and together with the Domestic Revolving Credit Facility, the “Revolving Credit Facilities” and, together with the U.S. Credit Facilities, the “Secured Credit Facilities”) which is available to Hill International N.V. The Domestic Revolving Credit Facility and the International Revolving Credit Facility include sub-limits for letters of credit amounting to $20,000 and €8,000 ($9,130 at closing), respectively.

21

The Secured Credit Facilities contain customary default provisions, representations and warranties, and affirmative and negative covenants, and require the Company to comply with certain financial and reporting covenants. The financial covenant is comprised of a maximum Consolidated Net Leverage Ratio of 3.00 to 1.00 for any fiscal quarter ending on or subsequent to March 31, 2017 for the trailing twelve months then-ended. The Consolidated Net Leverage Ratio is the ratio of (a) consolidated total debt (minus unrestricted cash and cash equivalents) to consolidated earnings before interest, taxes, depreciation, amortization, share-based compensation and other non-cash charges, including bad debt expense, certain one-time litigation and transaction related expenses, and restructuring charges for the trailing twelve months. In the event of a default, the U.S. Lender and the International Lender may increase the interest rates by 2.0%.

From July 1, 2018 to July 12, 2018, the date of this filing, the Company was not in compliance with the requirements of our Revolving Credit Facilities which required the filing of this Quarterly Report on Form 10-Q by June 30, 2018. Upon the filing of this Quarterly Report on Form 10-Q, the Company is compliant under such requirements. Prior waivers of non-compliance with certain covenants in the Revolving Credit Facilities require the Company to file the Form 10-K for the 2017 fiscal year by July 17, 2018 and the Form 10-Q for the first quarter of 2018 by July 30, 2018. If the Company does not file such reports in accordance with these deadlines, it may again be in noncompliance with the requirements of the Revolving Credit Facilities.

The U.S. Credit Facilities are guaranteed by certain U.S. subsidiaries of the Company, and the International Revolver is guaranteed by the Company and certain of the Company’s U.S. and non-U.S. subsidiaries.

2017 Term Loan Facility

The disclosures that follow below describe the debt obligations outstanding as of September 30, 2017 under the 2017 Term Loan Facility.

On June 21, 2017, the Company entered into the 2017 Term Loan Facility with a term of 6 years, requiring repayment of 1.0% of the original principal amount annually for the first five years. Any amounts repaid on the 2017 Term Loan Facility will not be available to be re-borrowed.

The 2017 Term Loan Facility was funded net of a 1.0% discount of $300 of the principal amount, which has been deferred. In addition, the Company incurred fees and expenses related to the 2017 Term Loan Facility of approximately $874, which have been deferred. The original issue discount and debt issuance costs are being amortized on a straight-line basis, which approximates the effective interest method, to interest and related financing fees, net over the six years ending June 21, 2023, the loan maturity date. The unamortized original issue discount and debt issuance cost balance of approximately $926 is included as an offset against the notes payable and long-term debt balance in the Consolidated Balance Sheet at September 30, 2017.

The interest rate on the 2017 Term Loan Facility is, at the Company’s option, either:

• the London Inter-Bank Offered Rate (“LIBOR”) for the relevant interest period plus 5.75% per annum, provided that such LIBOR shall not be lower than 1.00% per annum; or

• the Base Rate (as described below) plus 4.75% per annum.

The “Base Rate” is a per annum rate equal to the highest of (A) the prime rate, (B) the federal funds effective rate plus 0.50%, or (C) the LIBOR for an interest period of one month plus 1.00% per annum. Upon a default, the applicable rate of interest under the Secured Credit Facilities may increase by 2.00%. The LIBOR (including when determining the Base Rate) shall in no event be less than 1.00% per annum.

At September 30, 2017, the interest rate on the 2017 Term Loan Facility was 6.99%.

The Company has the right to prepay the 2017 Term Loan Facility in full or in part at any time without premium or penalty (except customary breakage costs); provided, however that upon the occurrence of prepayments relating to certain repricing transactions within the first six months following closing, a 1.0% prepayment premium will be payable. The Company is required to make certain mandatory prepayments, without premium or penalty (except customary breakage costs; provided, however, that upon the occurrence of any repricing transaction in respect of certain mandatory prepayments within the first six months following closing, a 1.0% prepayment premium is payable), including (i) with net proceeds of any issuance or incurrence of indebtedness by the Company after the closing, (ii) with net proceeds from certain asset sales outside the ordinary course of business, and (iii) with 50% of the excess cash flow for each fiscal year of the Company commencing with the first full fiscal year ending after closing (which percentage would be reduced to 25% if the Consolidated Net Leverage Ratio is equal to or less than 2.00 to 1.00).

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The 2017 Term Loan Facility (along with interest thereon) is generally secured by a first-priority security interest in substantially all assets of the Company and certain of the Company’s U.S. subsidiaries other than accounts receivable and cash proceeds thereof, as to which the 2017 Term Loan Facility (and the interest thereon) is secured by a second-priority security interest.

Revolving Credit Facilities

Simultaneously with the closing of the sale of the Construction Claims Business, the Company amended its Domestic Revolving Credit Facility to reduce the amount available to the Company to $25,000, amended its International Revolving Credit Facility to reduce the amount available to the Company to $10,000, and drew approximately $25,191 in cash and approximately $9,193 in letters of credit against the amended Revolving Credit Facilities. Deferred fees incurred with establishing the Secured Credit Facilities amounting to approximately $325 were charged to discontinued operations during the quarter of the sale.

The Domestic Revolving Credit Facility and the International Revolving Credit Facility each have a term of five years from the closing and provide for letter of credit sub-limits in amounts of $20,000 and €8,000 (approximately $9,452 at September 30, 2017), respectively. The maximum Consolidated Net Leverage Ratio will be increased from the prior credit facilities to 3.00 for all test dates and will not decline. The definition of Consolidated Net Leverage Ratio was amended to (i) remove the cap on the amount of permitted cash netting and (ii) permit netting of unrestricted cash and cash equivalents. The Company incurred fees totaling $1,739 which are deferred and will be amortized to interest expense over the five-year term of the facilities. 

The Revolving Credit Facilities require payment of interest only during the term and were substantially drawn as of the date of modification. Under the Revolving Credit Facilities, outstanding loans may be repaid in whole or in part at any time, without premium or penalty, subject to certain customary limitations, and will be available to be re-borrowed from time to time through expiration on May 5, 2022.

The interest rate on borrowings under the Domestic Revolving Credit Facility are, at the Company’s option from time to time, either the LIBOR rate for the relevant interest period plus 3.75% per annum or the Base Rate plus 2.75% per annum. At September 30, 2017, the interest rate was 7.00%.

The interest rate on borrowings under the International Revolving Credit Facility will be the European Inter-Bank Offered Rate, or “EURIBOR,” for the relevant interest period (or at a substitute rate to be determined to the extent EURIBOR is not available) plus 4.50% per annum. Throughout the three months ended September 30, 2017, we had no borrowings and, therefore, did not incur such interest expense.

The Company has paid commitment fees calculated at 0.50% annually on the average daily unused portion of the Domestic Revolving Credit Facility, and the Subsidiary has paid commitment fees calculated at 0.75% annually on the average daily unused portion of the International Revolving Credit Facility.

The ability to borrow under each of the Domestic Revolving Credit Facility and the International Revolving Credit Facility is subject to a “borrowing base.” The Domestic Revolving Credit Facility borrowing base is calculated using a formula based upon approximately 85% of receivables that meet or satisfy certain criteria (“Eligible Domestic Receivables”). The International Revolving Credit Facility borrowing base is calculated using a different formula based upon approximately 10% of international receivables that meet or satisfy certain criteria.

The Company or the Subsidiary, as applicable, will be required to make mandatory prepayments under their respective Revolving Credit Facilities to the extent that the aggregate outstanding amount thereunder exceeds the then-applicable borrowing base, which payments will be made without penalty or premium. At September 30, 2017, the domestic borrowing base was $25,000 and the international borrowing base was €9,156 (approximately $10,818 at September 30, 2017).

Generally, the obligations of the Company under the Domestic Revolving Credit Facility are secured by a first-priority security interest in the Eligible Domestic Receivables, cash proceeds and bank accounts of the Company and certain of the Company’s U.S. subsidiaries, and a second-priority security interest in substantially all other assets of the Company and such subsidiaries. The obligations of the Subsidiary under the International Revolving Credit Facility are generally secured by a first-priority security interest in substantially all accounts receivable and cash proceeds thereof, certain bank accounts of the Subsidiary and certain of the Company’s non-U.S. subsidiaries, and a second-priority security interest in substantially all other assets of the Company and certain of the Company’s U.S. and non-U.S. subsidiaries.

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The Company incurred fees and expenses related to the Revolving Credit Facilities in excess of $3,000 which has been deferred. The deferred fees are being amortized on a straight-line basis, which approximates the effective interest method, to interest expense and related financing fees, net over a five-year period which ends on May 5, 2022. The unamortized debt issuance cost balances of $2,502 and $1,650 are included in other assets in the consolidated balance sheet at September 30, 2017 and December 31, 2016, respectively.

At September 30, 2017 the Company had $8,153 of outstanding letters of credit and $16,847 of available borrowing capacity under the Domestic Revolving Credit Facility. At September 30, 2017, the Company had $942 of outstanding letters of credit and $9,876 of available borrowing capacity under the International Revolving Credit Facility.

Other Debt Arrangements

The Company’s subsidiary, Hill International (Spain) S.A. (“Hill Spain”), maintained a revolving credit facility with three banks in Spain which initially provided for total borrowing of up to €5,640 with interest at 6.50% on outstanding borrowings. The facility expired on December 17, 2016. Concurrent with the satisfaction of this facility Hill Spain entered into a new agreement with three new banks. The total new facility is for €2,770 (approximately $3,273 at September 30, 2017) which bears interest between 1.85% and 3.50% and is repaid in equal installments over varying expiration dates between 36 and 60 months.

Hill Spain previously maintained an ICO (Official Credit Institute) loan with Bankia Bank in Spain, which expired on August 10, 2017 and was paid in full.

The Company maintains a credit facility with the National Bank of Abu Dhabi which provides for total borrowings of up to AED 11,500 (approximately $3,130 at September 30, 2017) collateralized by certain overseas receivables. At September 30, 2017, AED 6,538 was utilized (approximately $1,779). The credit facility is subject to periodic review by the bank and as such has been classified as current in the consolidated balance sheet. The interest rate is the one-month Emirates InterBank Offer Rate plus 3.50% (or 5.50% at September 30, 2017) but no less than 5.50%.  This facility allows for letters of guarantee up to AED 200,000 (approximately $54,431 at September 30, 2017) of which AED 97,182 (approximately $26,448) was outstanding at September 30, 2017. 

Engineering S.A. maintains four unsecured revolving credit facilities with two banks in Brazil aggregating 2,380 Brazilian Reais (BRL) (approximately $752) at September 30, 2017, with a weighted average interest rate of 4.76% per month at September 30, 2017. There were no borrowings outstanding on any of these facilities at September 30, 2017 or December 31, 2016, which are renewed automatically every three months.

The Company also maintains relationships with other foreign banks for the issuance of letters of credit, letters of guarantee and performance bonds in a variety of foreign currencies. At September 30, 2017, the maximum U.S. dollar equivalent of the commitments was $84,087, of which $34,824 is outstanding.

In connection with the 2015 move of its corporate headquarters to Philadelphia, Pennsylvania, the Company received a loan from the Philadelphia Industrial Development Corporation in the amount of $750 which bears interest at 2.75%, is repayable in 144 equal monthly installments of $6 and matures on April 1, 2027.

Note 10 — Supplemental Cash Flow Information

The following table provides additional cash flow information (in thousands):

	Nine Months Ended September 30,
	2017			2016
Interest and related financing fees paid	$	5,831		$	8,915
Income taxes paid	$	7,713		$	9,435
Increase (decrease) in other current liabilities and decrease (increase) in additional paid-in capital related to ESA Put Options	$	(777	)	$	2,670
Increase in additional paid-in capital from the issuance of shares of common stock from cashless exercise of stock options	$	—		$	729

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Note 11 — Earnings per Share

Basic earnings per common share have been computed using the weighted-average number of shares of common stock outstanding during the period. On May 10, 2017 the Company's Board of Directors approved a monthly grant of Company stock valued at $80 per month to the Interim Chief Executive Officer ("ICEO") during his term of service, to be delivered to him on the last day of his service as ICEO. There is no circumstance in which these shares will not be issued, therefore, the accumulated shares are included in basic shares outstanding and in the computation of weighted averages basic shares. Basic shares outstanding included 50 shares and 81 shares related to this grant in the three and nine months ended September 30, 2017, respectively.

Diluted earnings per common share incorporates the incremental shares issuable upon the assumed exercise of stock options using the treasury stock method, if dilutive. Options to purchase approximately 1,541 shares and 6,480 shares for the three month periods ended September 30, 2017 and 2016, respectively, and 2,079 shares and 6,478 shares for the nine month periods ended September 30, 2017 and 2016, respectively, were excluded from the calculation of diluted earnings per share because they were antidilutive.

Note 12 — Share-Based Compensation

At September 30, 2017, the Company had approximately 5,527 options outstanding with a weighted average exercise price of $4.23.  During the nine months ended September 30, 2017, the Company granted approximately 716 options which vest over a five-year period. The options granted had a weighted average exercise price of $4.98 and a contractual life of 7.0 years. The aggregate fair value of the options was approximately $1,400 calculated using the Black-Scholes valuation model. The weighted average assumptions used to calculate fair value were: expected life—5 years; volatility—48.30% and risk-free interest rate—2.08%. During the nine months ended September 30, 2017, options for approximately 1,541 shares with a weighted average exercise price of $5.41 lapsed and options for approximately 222 shares with a weighted average exercise price of $4.41 were forfeited.

During the three and nine months ended September 30, 2017, employees purchased approximately 5 and 36 common shares, respectively, for an aggregate purchase price of approximately $24 and $138, respectively, pursuant to the Company’s 2008 Employee Stock Purchase Plan.

The Company recognized share-based compensation expense in selling, general and administrative expenses in the consolidated statement of operations totaling approximately $1,048 and $581 for the three months ended September 30, 2017 and 2016, respectively, and approximately $2,261 and $1,838 for the nine months ended September 30, 2017 and 2016, respectively.

On May 10, 2017 the Company's Board of Directors approved a monthly grant of Company stock valued at $80 per month to the Interim Chief Executive Officer ("ICEO") during his term of service. At the end of each month during such period, the ICEO is entitled to $80 worth of Company stock based on the closing price of the Company's common stock on the last trading day of the month. The aggregate number of shares earned will be delivered to the ICEO on his the last day of service as ICEO. During the three and nine month periods ended September 30, 2017, the ICEO accumulated 50 shares and 81 shares, respectively. The value of the shares accumulated is remeasured each reporting period. The change in value from the previous reporting period is recorded as an adjustment to compensation expense. The Company recorded compensation expense of $221 and $386 for the three and nine months ended September 30, 2017, respectively related to these monthly grants. The ultimate value of these grants cannot be determined until the shares are delivered, therefore, the accumulated value of these shares is recorded in accrued expenses and will be reclassified to equity when the shares are ultimately delivered on the ICEO's last day of service.

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Note 13 — Stockholders’ Equity

The following table summarizes the changes in stockholders’ equity during the nine months ended September 30, 2017 (in thousands):

	Total			Hill International, Inc. Stockholders			Noncontrolling Interest
Stockholders’ equity, December 31, 2016	$	76,352		$	74,358		$	1,994
Net (loss) earnings	37,424			37,249			175
Other comprehensive earnings	(273		)	(536		)	263
Comprehensive (loss) earnings	37,151			36,713			438
Additional paid in capital	5,537			5,537			—
Stockholders’ equity, September 30, 2017	$	119,040		$	116,608		$	2,432

Note 14 — Income Taxes

The effective tax rates for the three months ended September 30, 2017 and 2016 were 40.1% and (27.0)%, respectively, and 39.0% and 272.7% for the nine months ended September 30, 2017 and 2016, respectively. The Company’s effective tax rate represents the Company’s estimated tax rate for the year based on projected income and mix of income among the various foreign tax jurisdictions, adjusted for discrete transactions occurring during the period. The Company’s effective tax rate in both years is higher than it otherwise would be primarily as a result of not recording an income benefit related to the U.S. net operating loss.

The components of (loss) earnings before income taxes and the related income tax expense by the United States and foreign jurisdictions were as follows (in thousands):

	Three Months Ended September 30, 2017							Three Months Ended September 30, 2016
								(As Restated)
	U.S.		Foreign		Total			U.S.			Foreign			Total
(Loss) earnings before income taxes	(4,505	)	$	1,842	$	(2,663	)	$	(8,050	)	$	(542	)	$	(8,592	)
Income tax (benefit) expense, net	(1,892	)	$	824	$	(1,068	)	$	—		$	2,318		$	2,318
	Nine Months Ended September 30, 2017							Nine Months Ended September 30, 2016
								(As Restated)
	U.S.		Foreign		Total			U.S.			Foreign			Total
(Loss) earnings before income taxes	(8,613	)	$	7,670	$	(943	)	$	(21,512	)	$	23,537		$	2,025
Income tax (benefit) expense, net	(3,618	)	$	3,250	$	(368	)	$	—		$	5,523		$	5,523

The reserve for uncertain tax positions amounted to $2,319 and $6,735 at September 30, 2017 and December 31, 2016, respectively, and is included in “Other liabilities” in the consolidated balance sheet at those dates.

The Company’s policy is to record income tax related interest and penalties in income tax expense. There were no such items related to uncertain tax positions for the three and nine months ended September 30, 2017 and 2016, respectively.

In assessing the realizability of deferred tax assets, management considers whether it is more likely than not that some portion or all of the deferred tax assets will not be realized. The ultimate realization of deferred tax assets is dependent upon the generation of future taxable income during the periods in which those temporary differences become deductible. Management considers the scheduled reversal of deferred tax liabilities and projected future taxable income in making this assessment. Management evaluates the need for valuation allowances on the deferred tax assets according to the provisions of ASC 740, Income Taxes. They consider both positive and negative evidence. In making this determination, management assesses all of the evidence available at the time including recent earnings, internally-prepared income projections, and historical financial performance.

The 2017 continuing operations tax benefit in the United States is a result of the allocation of the United States operating loss being utilized to offset the gain in discontinued operations.

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Note 15 —Segment and Related Information

At September 30, 2017, due to the sale of the Construction Claims Group (see Note 2), the Company now has one operating segment, the Project Management Group, which reflects how the Company is currently being managed. The Project Management Group provides construction and project management services to construction owners worldwide. Such services include program management, project management, construction management, project management oversight, troubled project turnaround, staff augmentation, project labor agreement consulting, commissioning, estimating and cost management, labor compliance services and facilities management services. The information for 2016 has been revised to exclude the operations of the Construction Claims Group which is accounted for as discontinued operations.

The following tables present certain information for the Project Management Group’s operations (in thousands):

Revenue by Geographic Region

	Three Months Ended September 30,								Nine Months Ended September 30,
	2017				2016				2017				2016
					(As restated)								(As restated)
United States*	$	59,640	48.4	%	$	50,675	41.8	%	$	169,229	46.4	%	$	148,194	37.8	%
Latin America	2,889		2.3	%	4,759		3.9	%	9,189		2.5	%	15,154		3.9	%
Europe	10,811		8.8	%	10,198		8.4	%	30,931		8.5	%	29,926		7.7	%
Middle East	42,248		34.3	%	45,580		37.6	%	131,211		36.0	%	166,887		42.7	%
Africa	6,034		4.9	%	5,946		4.9	%	17,651		4.8	%	18,659		4.8	%
Asia/Pacific	1,570		1.3	%	4,064		3.4	%	6,537		1.8	%	12,010		3.1	%
Total	$	123,192	100.0	%	$	121,222	100.0	%	$	364,748	100.0	%	$	390,830	100.0	%

* includes Canada

For the three and nine months ended September 30, 2017, the United States was the only country to account for over 10% of consolidated total revenue.

For the three and nine months ended September 30, 2016, total revenue for the United Arab Emirates was $17,431 or 14.4% and $64,221 or 16.4% of consolidated total revenue, respectively. The United States was the only other country to account for over 10% of consolidated total revenue during the three and nine months ended September 30, 2016.

Operating Profit (Loss)

	Three Months Ended September 30,						Nine Months Ended September 30,
	2017			2016			2017			2016
				(As restated)						(As restated)
United States	$	6,350		$	5,562		$	17,730		$	13,710
Latin America	88			(668		)	(2,431		)	1,520
Europe	(57		)	409			3,763			(818		)
Middle East	4,042			(3,296		)	15,402			15,326
Africa	180			232			(533		)	(878		)
Asia/Pacific	(658		)	94			(1,106		)	909
Corporate	(11,573		)	(10,319		)	(31,702		)	(25,934		)
Total	$	(1,628	)	$	(7,986	)	$	1,123		$	3,835

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Depreciation and Amortization Expense

	Three Months Ended September 30,				Nine Months Ended September 30,
	2017		2016		2017		2016
			(As restated)				(As restated)
Project Management	$	1,422	$	1,263	$	4,397	$	5,237
Corporate	334		217		614		452
Total	$	1,756	$	1,480	$	5,011	$	5,689

Revenue By Client Type

	Three Months Ended September 30,								Nine Months Ended September 30,
	2017				2016				2017				2016
					(As restated)								(As restated)
U.S. federal government	$	3,729	3.0	%	$	3,055	2.5	%	$	10,965	3.0	%	$	8,716	2.2	%
U.S. state, regional and local governments	43,177		35.0	%	40,182		33.1	%	119,132		32.7	%	113,302		29.0	%
Foreign governments	33,524		27.2	%	34,000		28.0	%	105,546		28.9	%	129,045		33.0	%
Private sector	42,762		34.8	%	43,985		36.4	%	129,105		35.4	%	139,767		35.8	%
Total	$	123,192	100.0	%	$	121,222	100.0	%	$	364,748	100.0	%	$	390,830	100.0	%

Property, Plant and Equipment, Net, by Geographic Location

	September 30, 2017		December 31, 2016
United States/Canada	$	10,983	$	12,626
Latin America	598		881
Europe	882		218
Middle East	1,250		1,645
Africa	113		169
Asia/Pacific	114		850
Total	$	13,940	$	16,389

Note 16—Client Concentrations

The Company had no individual clients that accounted for 10% or more of total revenues during the three and nine months ended September 30, 2017 and 2016.

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Note 17 — Commitments and Contingencies

General Litigation

From time to time, the Company is a defendant or plaintiff in various legal proceedings which arise in the normal course of business.  As such the Company is required to assess the likelihood of any adverse outcomes to these matters as well as potential ranges of probable losses.  A determination of the amount of the provision required for commitments and contingencies, if any, which would be charged to earnings, is made after careful analysis of each matter.  The provision may change in the future due to new developments or changes in circumstances.  Changes in the provision could increase or decrease the Company’s earnings in the period the changes are made.  It is the opinion of management, after consultation with legal counsel, that the ultimate resolution of these matters will not have a material adverse effect on the Company’s financial condition, results of operations or cash flows.

In 2013, M.A. Angeliades, Inc. (“Plaintiff”) filed a complaint with the Supreme Court of New York against the Company and the New York City Department of Design and Construction (“DDC”) regarding payment of approximately $8,771 for work performed as a subcontractor to the Company plus interest and other costs.  On October 5, 2015, pursuant to a settlement agreement, Hill paid Plaintiff approximately $2,596, including interest amounting to $1,056, of which $448 had been previously accrued and $608 was charged to expense for the year ended December 31, 2015.  The Plaintiff resolved its remaining issues regarding change orders and compensation for delay with DDC. On January 16, 2016, Plaintiff filed a Motion to amend its complaint against the Company claiming that the amounts paid by the Company do not reconcile with the amounts Plaintiff believes the Company received from DDC despite DDC’s records reflecting the same amount as the Company’s.  The Plaintiff’s Motion was granted and the parties are currently engaged in mediation and discovery.

Knowles Limited (“Knowles”), a subsidiary of the Company, is a party to an arbitration proceeding instituted on July 8, 2014 in which Knowles claimed that it was entitled to payment for services rendered to Celtic Bioenergy Limited (“Celtic”).  The arbitrator decided in favor of Knowles. The arbitrator’s award was appealed by Celtic to the U.K. High Court of Justice, Queen’s Bench Division, Technology and Construction Court (“Court”).  On March 16, 2017, the Court (1) determined that certain relevant facts had been deliberately withheld from the arbitrator by an employee of Knowles and (2) remitted the challenged parts of the arbitrator’s award back to the arbitrator to consider the award in possession of the full facts. The Company is evaluating the impact of the judgment of the Court.

Acquisition-Related Contingencies

As of September 30, 2017 our subsidiary, Hill International (Spain), S.A. (“Hill Spain”), owned an indirect 91.0% interest in Engineering S.A. (“ESA”), a firm located in Brazil.  ESA’s shareholders entered into an agreement whereby the minority shareholders have a right to compel (“ESA Put Option”) Hill Spain to purchase any or all of their shares during the period from February 28, 2014 to February 28, 2021. Hill Spain also has the right to compel (“ESA Call Option”) the minority shareholders to sell any or all of their shares during the same time period.  The purchase price for such shares shall be seven times the earnings before interest and taxes for ESA’s most recently ended fiscal year, net of any financial debt plus excess cash multiplied by a percentage which the shares to be purchased bear to the total number of shares outstanding at the time of purchase, but in the event the ESA Call Option is exercised by Hill Spain, the purchase price shall be increased by five percent.  The ESA Put Option and the ESA Call Option must be made within three months after the audited financial statements of ESA have been completed. On June 17, 2016, the three remaining minority shareholders exercised their ESA Put Options claim for a value of BRL 8,656 (approximately $2,734 at September 30, 2017).  At that time, the Company accrued the liability in other current liabilities and as an adjustment to additional paid in capital. The amount is subject to negotiation and any difference will be recorded upon completion of the transaction. See Note 18 Subsequent Events.

Other

The Company has identified a potential tax liability related to certain foreign subsidiaries’ failure to comply with laws and regulations of the jurisdictions, outside of their home country, in which their employees provided services. The Company has estimated the potential liability to be approximately $2,132 of which approximately $444 had been included in discontinued operations in the consolidated statement of operations for the nine months ended September 30, 2017. The potential liability balance is included in other liabilities in the consolidated balance sheet at September 30, 2017.

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In connection with the move of its corporate headquarters, the Commonwealth of Pennsylvania provided the Company with a $1,000 grant received on July 13, 2015. The terms of the grant require the Company to spend at least $6,425 on capital expenditures for leasehold improvements and equipment for its new headquarters, remain at One Commerce Square for at least seven-years and employ at least 359 persons no later than April 1, 2018. The Company has met the capital expenditure requirement and has a twelve-year lease for its corporate headquarters. Upon receipt of the funds, the Company recorded a deferred credit which, assuming the employment requirement is met, will be reflected in income in the second quarter of 2018. If the Company does not meet the employment criteria, it will be required to repay the grant to the Commonwealth of Pennsylvania. The terms of the agreement are currently under review.

The landlord for the new Philadelphia headquarters provided the Company with a tenant improvement allowance amounting to approximately $3,894. The tenant improvement allowance, which has been deferred, is included in other liabilities in the consolidated balance sheet at September 30, 2017 and December 31, 2016 and is being amortized on a straight-line basis against rent expense over the term of the twelve-year lease which commenced on May 1, 2015.

Note 18 — Subsequent Events

Finalization of ESA Put Option

The Company settled negotiations with the minority shareholders of ESA in November 2017 and February 2018. The shareholders agreed to a reduced total payment of BRL 6,084 (approximately $1,922), which was reflected in the balance sheet at September 30, 2017. The Company made an adjustment to additional paid-in capital in the consolidated balance sheet at December 31, 2017 of BRL 4,475 (approximately $1,365) and on March 31, 2018 of BRL 3,146 (approximately $953) to record the final transaction amounts.

Tax Cuts and Jobs Act

On December 22, 2017, The Tax Cuts and Jobs Act of 2017 (Tax Act) was signed into law. The Tax Act will reduce the Company’s statutory U.S. federal corporate tax rate from 35% to 21% for the Company’s fiscal year beginning January 1, 2018. The Tax Act requires companies to pay a one-time transition tax on accumulated earnings of foreign subsidiaries, creates new taxes on certain foreign sourced earnings and eliminates or reduces certain deductions and credits. As of the time of this filing, the Company has not completed its evaluation of the effects of enactment of the Tax Act. Because a change in tax law is accounted for in the period of enactment, the effect of the Act will be recorded in the fourth quarter of 2017.

Kuwait Performance Guarantee

On or about February 8, 2018, the Company received notice from National Bank of Abu Dhabi (NBAD) that Public Authority of Housing Welfare of Kuwait submitted a claim for payment on a performance guarantee issued by the Company for approximately $7,927 for a project located in Kuwait. NBAD subsequently issued, on behalf of Company, payment on February 15, 2018. The Company is taking legal action to recover the full amount issued under the performance guarantee.

Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations (in thousands).

Overview

On December 20, 2016, we entered into a definitive Stock Purchase Agreement to sell the Claims Group, which is reported herein as discontinued operations. The sale of the Claims Group was completed on May 5, 2017 with an effective date of April 30, 2017 for a total purchase price of $140,000 in cash less: (1) an estimated working capital adjustment of approximately $8,449; and (2) approximately $2,187 of assumed indebtedness. See Note 2 to our consolidated financial statements for a description of this transaction.

Prior to the sale of the Claims Group, our revenue consisted of two components: consulting fee revenue and reimbursable expenses.  Reimbursable expenses were reflected in both revenue and direct expenses. These pass-through revenues/costs were subject to significant fluctuation from year to year. After entering into the agreement to sell the Claims Group, management determined that the Company operates in one operating segment, the Project Management Group, which reflects how the Company will be managed going forward.

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Total revenue increased$1,970, or 1.6%, to $123,192 for the third quarter of 2017 from $121,222 for the third quarter of 2016. The increase was primarily in the United States, which increased 17.7% from the same period in the prior year primarily due to the addition of new projects in the Western, Mid-Atlantic and Northeast regions. The increase was partially offset by a decrease in the Middle East due to the closeout of a major project and a decrease in Asia/Pacific due to the winding down of projects.

Direct expenses increased$3,546, or 4.3%, to $85,875 for the third quarter of 2017 from $82,329 for the third quarter of 2016 primarily due to the addition of new projects in the Western, Mid-Atlantic and Northeast regions of the United States, partially offset by decreases in the Middle East, Asia/Pacific and Latin America due to the closeout of projects.

Gross profit decreased$1,576, or 4.1%, to $37,317 for the third quarter of 2017 from $38,893 for the third quarter of 2016 primarily due to the winding down of major projects in Asia/Pacific.

Selling, general and administrative (“SG&A”) expenses decreased$7,922, or 16.9%, to $38,945 for the third quarter of 2017 from $46,867 for the third quarter of 2016 primarily due to the decrease in the Middle East as a result of the winding down of major projects in the region and a decrease in bad debt expense in the current quarter compared to the prior year due to a large increase in reserves during 2016 for certain accounts receivable in the Middle East and Asia/Pacific.

We had an operating loss of $1,628, for the third quarter of 2017 compared to operating loss of $7,986 for the third quarter of 2016 The increase in profit is primarily the result of decreased selling, general and administrative expenses in the Middle East.

Income tax benefit was $1,068 for the third quarter of 2017 compared to income tax expense of $2,318 for the third quarter of 2016.  The switch to an income tax benefit from income tax expense is due to a change in the mix of pretax profits from foreign operations and the mix of tax rates in those jurisdictions.

Net loss attributable to Hill was $4,294 for the third quarter of 2017, compared to net loss of $11,546 for the third quarter of 2016.  Diluted loss per common share attributable to Hill was $0.08 for the second quarter of 2017 based upon 52,371 diluted common shares outstanding compared to a diluted loss attributable to Hill per common share of $0.22 for the third quarter of 2016 based upon 51,753 diluted common shares outstanding.

In the latter part of 2016, we initiated a review of our corporate and operational overhead cost structure. The areas that will be most affected will be overhead personnel and related benefits and expenses. We believe these efforts, combined with the sale of the Construction Claims Group and deleveraging of our balance sheet, should significantly improve profitability and shareholder value.

Critical Accounting Policies

The Company’s interim financial statements were prepared in accordance with United States generally accepted accounting principles, which require management to make subjective decisions, assessments and estimates about the effect of matters that are inherently uncertain. As the number of variables and assumptions affecting these judgments increases, such judgments become even more subjective. While management believes its assumptions are reasonable and appropriate, actual results may be materially different than estimated. The critical accounting estimates and assumptions have not materially changed from those identified in the Company’s 2016 Annual Report on Form 10-K/A (Amendment No. 2).

31

Results of Operations

Three Months Ended September 30, 2017 Compared to

Three Months Ended September 30, 2016

Revenue by geographic region (dollars in thousands):

	Three Months Ended September 30,
	2017				2016				Change
					(As restated)
United States*	$	59,640	48.4	%	$	50,675	41.8	%	$	8,965		17.7	%
Latin America	2,889		2.3	%	4,759		3.9	%	(1,870		)	(39.3	)%
Europe	10,811		8.8	%	10,198		8.4	%	613			6.0	%
Middle East	42,248		34.3	%	45,580		37.6	%	(3,332		)	(7.3	)%
Africa	6,034		4.9	%	5,946		4.9	%	88			1.5	%
Asia/Pacific	1,570		1.3	%	4,064		3.4	%	(2,494		)	(61.4	)%
Total	$	123,192	100.0	%	$	121,222	100.0	%	$	1,970		1.6	%

     * includes Canada

Total Revenue increased by approximately $1,970 for the three months ended September 30, 2017 when compared to the same time period in the prior year. Revenues in the United States increased approximately $8,965 due to the addition of new projects in the Western Region of approximately $3,800, the Mid Atlantic Region of approximately $3,400 and the Northeast Region of approximately $2,145. These increases were partially offset by decreases in the Middle East due to the close out of the Dubai Parks project and the winding down of projects in the Asia Pacific region.

Direct Expenses (dollars in thousands):

	Three Months Ended September 30,
	2017						2016						Change
							(As restated)
					% of Revenue						% of Revenue
United States*	$	42,986	50.1	%	72.1	%	$	34,653	42.0	%	68.4	%	$	8,333		24.0	%
Latin America	1,540		1.8	%	53.3	%	2,926		3.6	%	61.5	%	(1,386		)	(47.4	)%
Europe	7,419		8.6	%	68.6	%	6,552		8.0	%	64.2	%	867			13.2	%
Middle East	29,773		34.7	%	70.5	%	32,944		40.0	%	72.3	%	(3,171		)	(9.6	)%
Africa	3,366		3.9	%	55.8	%	3,539		4.3	%	59.5	%	(173		)	(4.9	)%
Asia/Pacific	791		0.9	%	50.4	%	1,715		2.1	%	42.2	%	(924		)	(53.9	)%
Total	$	85,875	100.0	%	69.7	%	$	82,329	100.0	%	67.9	%	$	3,546		4.3	%

     *includes Canada

Direct Expenses consist of labor expenses for time charged directly to contracts, certain reimbursable expenses consisting of amounts paid to subcontractors and other third parties, and travel and other job-related expenses. Direct Expenses increased approximately $3,546 for the three months ended September 30, 2017 when compared to the same time period in the prior year primarily due to expenses in the United States increasing approximately $8,333 as a result of the addition of new projects in the Western, Mid Atlantic and Northeast regions. These increases were partially offset by decreases in the Middle East, Asia Pacific and Latin America due to the closeout of projects within those regions.

32

Gross Profit (dollars in thousands):

	Three Months Ended September 30,
	2017						2016						Change
							(As restated)
					% of Revenue						% of Revenue
United States*	$	16,654	44.6	%	27.9	%	$	16,022	41.2	%	31.6	%	$	632		3.9	%
Latin America	1,349		3.6	%	46.7	%	1,833		4.7	%	38.5	%	(484		)	(26.4	)%
Europe	3,392		9.1	%	31.4	%	3,646		9.4	%	35.8	%	(254		)	(7.0	)%
Middle East	12,475		33.4	%	29.5	%	12,636		32.5	%	27.7	%	(161		)	(1.3	)%
Africa	2,668		7.2	%	44.2	%	2,407		6.2	%	40.5	%	261			10.8	%
Asia/Pacific	779		2.1	%	49.6	%	2,349		6.0	%	57.8	%	(1,570		)	(66.8	)%
Total	$	37,317	100.0	%	30.3	%	$	38,893	100.0	%	32.1	%	$	(1,576	)	(4.1	)%

     * includes Canada

The Gross Profit for the three months ending September 30, 2017 decreased approximately $1,576 compared to the same period in the prior year. The decrease was primarily due to a decrease of approximately $1,570 in the Asia Pacific region as a result of the winding down of major projects.

Selling, General and Administrative (“SG&A”) Expenses (dollars in thousands):

	Three months ended September 30,
	2017				2016				Change
					(As restated)
			% of Revenue				% of Revenue
United States*	$	10,304	17.3	%	$	10,460	20.6	%	$	(156	)	(1.5	)%
Latin America	1,261		43.6	%	2,501		52.6	%	(1,240		)	(49.6	)%
Europe	3,449		31.9	%	3,237		31.7	%	212			6.5	%
Middle East	8,433		20.0	%	15,932		35.0	%	(7,499		)	(47.1	)%
Africa	2,488		41.2	%	2,175		36.6	%	313			14.4	%
Asia/Pacific	1,437		91.5	%	2,243		55.2	%	(806		)	(35.9	)%
Corporate	11,573		9.4	%	10,319		8.5	%	1,254			12.2	%
Total	$	38,945	31.6	%	$	46,867	38.7	%	$	(7,922	)	(16.9	)%

     * includes Canada

Selling, General and Administrative expenses for the three months ending September 30, 2017 decreased approximately $7,922 when compared to the same period in prior year primarily due to the $7,499 decrease in the Middle East. The decrease in this region was primarily due to the close out of projects resulting in a reduction in unapplied labor of approximately $2,300 and a decrease in bad debt expense of approximately a $4,700 due to the large increase in reserves for certain accounts receivable in the Middle East and Asia/Pacific during 2016. These decreases were partially offset by increases in severance expense of approximately $980 and expenses related to the Company’s profit improvement plan of approximately $2,700.

33

Operating Profit (Loss) (dollars in thousands):

	Three Months Ended September 30,
	2017					2016					Change
						(As restated)
				% of Revenue					% of Revenue
United States*	$	6,350		10.6	%	$	5,562		11.0	%	$	788		14.2	%
Latin America	88			3.0	%	(668		)	(14.0	)%	756			(113.2	)%
Europe	(57		)	(0.5	)%	409			4.0	%	(466		)	(113.9	)%
Middle East	4,042			9.6	%	(3,296		)	(7.2	)%	7,338			(222.6	)%
Africa	180			3.0	%	232			3.9	%	(52		)	(22.4	)%
Asia/Pacific**	(658		)	(41.9	)%	94			2.3	%	(752		)	(800.0	)%
Corporate cost	(11,573		)	—		(10,319		)	—		(1,254		)	12.2	%
Total	$	(1,628	)	(1.3	)%	$	(7,986	)	(6.6	)%	$	6,358		(79.6	)%

* includes Canada

** includes Hill's share of loss(profit) of equity method affiliates on the Consolidated Statements of Operations.

Operating Profit increased approximately $6,358 in the three months ended September 30, 2017 compared to the same period in the prior year. This was primarily due to a $7,499 decrease in selling, general and administrative expenses in the Middle East as a result of decreases in unapplied labor and bad debt expense. This was partially offset by a $1,254 increase in Corporate costs related to the Company's profit improvement plan.

Interest and Related Financing Fees, net

Interest and related financing fees increased$429 to $1,035 for the three months ended September 30, 2017 as compared with $606 for three months ended September 30, 2016.

Income Taxes

For the three months ended September 30, 2017 and 2016, the Company recognized an income tax benefit of $1,068 and income tax expense of $2,318, respectively.

The effective income tax rates for the three-month periods ended September 30, 2017 and 2016 were 40.1% and (27.0)%, respectively. The change in the Company’s effective tax rate for the third quarter of 2017 was primarily a result of a decrease in projected income and the mix of income among various foreign tax jurisdictions.

Net Earnings Attributable to Hill

The net loss attributable to Hill International, Inc. for the three months ended September 30, 2017 was $4,294, or $0.08 per diluted common share based on 52,388 diluted weighted average common shares outstanding, as compared to net loss for the three months ended September 30, 2016 of $11,546, or $0.22 per diluted weighted average common shares based upon 51,753 diluted weighted average common shares outstanding. Losses from continuing operations for the three months ended September 30, 2017 were $1,595, or $0.03 per diluted weighted average common share, compared to loss from continuing operations of $10,910, or $0.21 per diluted weighted average common shares, for the three months ended September 30, 2016.

34

Nine Months Ended September 30, 2017 Compared to

Nine Months Ended September 30, 2016

Revenue by geographic region (in thousands):

	Nine Months Ended September 30,
	2017				2016				Change
					(As restated)
United States*	$	169,229	46.4	%	$	148,194	37.8	%	$	21,035		14.2	%
Latin America	9,189		2.5	%	15,154		3.9	%	(5,965		)	(39.4	)%
Europe	30,931		8.5	%	29,926		7.7	%	1,005			3.4	%
Middle East	131,211		36.0	%	166,887		42.7	%	(35,676		)	(21.4	)%
Africa	17,651		4.8	%	18,659		4.8	%	(1,008		)	(5.4	)%
Asia/Pacific	6,537		1.8	%	12,010		3.1	%	(5,473		)	(45.6	)%
Total	$	364,748	100.0	%	$	390,830	100.0	%	$	(26,082	)	(6.7	)%

     * includes Canada

Total Revenue decreased by $26,082 for the nine months ending September 30, 2017 compared to the same time period in the prior year, primarily due to the $35,676 decrease in the Middle East as a result of the closeout of projects in Saudi Arabia and Qatar and a slow down of the Muscat International Airport project in Oman. In addition, Asia Pacific had a decrease of $5,473 primarily from a decrease in large projects and Latin America had a $5,965 decrease in revenue primarily due to declining economic conditions in Brazil. These reductions were partially offset by increases in the United States, which included Western region increased revenue of approximately $11,000, Mid Atlantic region increased revenue of approximately $7,400 and Northeast region increased revenue of approximately $2,100 due to the addition of new projects.

Direct expenses (in thousands):

	Nine Months Ended September 30,
	2017						2016						Change
							(As restated)
					% of Revenue						% of Revenue
United States*	$	119,649	47.7	%	70.7	%	$	103,323	38.4	%	69.7	%	16,326		15.8	%
Latin America	5,651		2.2	%	61.5	%	9,530		3.6	%	62.9	%	(3,879	)	(40.7	)%
Europe	21,064		8.4	%	68.1	%	19,740		7.4	%	66.0	%	1,324		6.7	%
Middle East	91,849		36.6	%	70.0	%	117,312		43.8	%	70.3	%	(25,463	)	(21.7	)%
Africa	9,664		3.8	%	54.8	%	12,009		4.5	%	64.4	%	(2,345	)	(19.5	)%
Asia/Pacific	3,314		1.3	%	50.7	%	6,070		2.3	%	50.5	%	(2,756	)	(45.4	)%
Total	$	251,191	100.0	%	68.9	%	$	267,984	100.0	%	68.6	%	(16,793	)	(6.3	)%

     * includes Canada

Direct Expenses consist of labor expenses for time charged directly to contracts, certain reimbursable expenses consisting of amounts paid to subcontractors and other third parties, and travel and other job related expenses. The decrease in direct expenses was primarily due to a reduction in direct labor expense in the Middle East due to reduced revenues across most of the region including the United Arab Emirates, Qatar, Saudi Arabia and Oman. The decreases in the Latin America, Africa and Asia Pacific regions were due to reduced revenue in those regions. These decreases were partially offset by expense increases across all regions in the United States related to new work and contract extensions.

35

Gross Profit (in thousands):

	Nine Months Ended September 30,
	2017						2016						Change
							(As restated)
					% of Revenue						% of Revenue
United States*	$	49,580	43.7	%	29.3	%	$	44,871	36.5	%	30.3	%	$	4,709		10.5	%
Latin America	3,538		3.1	%	38.5	%	5,624		4.6	%	37.1	%	(2,086		)	(37.1	)%
Europe	9,867		8.7	%	31.9	%	10,186		8.3	%	34.0	%	(319		)	(3.1	)%
Middle East	39,362		34.7	%	30.0	%	49,575		40.4	%	29.7	%	(10,213		)	(20.6	)%
Africa	7,987		7.0	%	45.2	%	6,650		5.4	%	35.6	%	1,337			20.1	%
Asia/Pacific	3,223		2.8	%	49.3	%	5,940		4.8	%	49.5	%	(2,717		)	(45.7	)%
Total	$	113,557	100.0	%	31.1	%	$	122,846	100.0	%	31.4	%	$	(9,289	)	(7.6	)%

* includes Canada

Gross Profit decreased by approximately $9,289 for the nine months ended September 30, 2017 compared to the same time period in the prior year. The decrease was primarily due to the winding down of major projects in the Middle East, Asia Pacific and Latin American regions. These decreases were partially offset by increases in revenues across all regions in the United States related to new work and contract extensions.

Selling, General and Administrative (“SG&A”) Expenses (in thousands):

	Nine Months Ended September 30,
	2017				2016				Change
					(As restated)
			% of Revenue				% of Revenue
United States*	$	31,850	18.8	%	$	31,161	21.0	%	$	689		2.2	%
Latin America	5,969		65.0	%	4,104		27.1	%	1,865			45.4	%
Europe	6,104		19.7	%	11,004		36.8	%	(4,900		)	(44.5	)%
Middle East	23,960		18.3	%	34,249		20.5	%	(10,289		)	(30.0	)%
Africa	8,520		48.3	%	7,528		40.3	%	992			13.2	%
Asia/Pacific	4,377		67.0	%	5,003		41.7	%	(626		)	(12.5	)%
Corporate	31,702		8.7	%	25,934		6.6	%	5,768			22.2	%
Total	$	112,482	30.8	%	$	118,983	30.4	%	$	(6,501	)	(5.5	)%

* Includes Canada

Selling, General and Administrative expenses for nine months ended September 30, 2017 decreased approximately $6,501 compared to the same time period in prior year. This was primarily due to decreases in the Middle East as a result of a $2,600 decrease in unapplied labor from the closeout of projects and an $8,300 decrease in bad debt expense due to the large increase in reserves for certain accounts receivable in the Middle East and Asia/Pacific during 2016. In addition, there was a $4,900 decrease in Europe primarily related to a reduction in foreign currency translation expense. Partially offsetting these decreases were Corporate cost increases of $5,768 primarily due to expenses related to the Company's profit improvement plan and increased severance costs.

36

Operating Profit (Loss) (dollars in thousands):

	Nine Months Ended September 30,
	2017					2016					Change
	(As restated)					(As restated)
				% of Revenue					% of Revenue
United States*	$	17,730		10.5	%	$	13,710		9.3	%	$	4,020		29.3	%
Latin America	(2,431		)	(26.5	)%	1,520			10.0	%	(3,951		)	(259.9	)%
Europe	3,763			12.2	%	(818		)	(2.7	)%	4,581			(560.0	)%
Middle East	15,402			11.7	%	15,326			9.2	%	76			0.5	%
Africa	(533		)	(3.0	)%	(878		)	(4.7	)%	345			(39.3	)%
Asia/Pacific **	(1,106		)	(16.9	)%	909			7.6	%	(2,015		)	(221.7	)%
Corporate cost	(31,702		)	—		(25,934		)	—		(5,768		)	22.2	%
Total	$	1,123		0.3	%	$	3,835		1.0	%	$	(2,712	)	(70.7	)%

* includes Canada

** includes Hill's share of loss(profit) of equity method affiliates on the Consolidated Statements of Operations.

Operating Profit for the nine months ended September 30, 2017 decreased approximately $2,712 compared to the same period in prior year. Contributing to the reduction was an increase in Corporate costs of approximately $5,768 primarily related to expenses incurred for the Company's profit improvement plan and increased severance costs. In addition, decreases in Latin America and Asia Pacific revenue as a result of the winding down of certain major projects in the regions contributed to the decline in Operating Profit. These decreases were partially offset by an increase of Operating Profit in Europe of approximately $4,581 due to a reduction in foreign currency translation expense and an increase in the United States of approximately $4,020 from new work.

Interest and Related Financing Fees, net

Interest and related financing fees increased$256 to $2,066 for the nine months ended September 30, 2017 as compared with $1,810 for nine months ended September 30, 2016. 

Income Taxes

The Company recognized income tax benefit of $368 and expense of $5,523 for the nine months ended September 30, 2017 and 2016, respectively.

The effective income tax rates for the nine-month periods ended September 30, 2017 and 2016 were 39.0% and 272.7%, respectively. The change in the Company’s effective tax rate in 2017 was primarily a result of a decrease in projected income and the mix of income among various foreign tax jurisdictions.

Net (Loss) Earnings Attributable to Hill

The net income attributable to Hill International, Inc. for the nine months ended September 30, 2017 was $37,249, or $0.72 per diluted weighted average common shares based on 52,065 diluted weighted average common shares outstanding, as compared to net loss in the nine months ended September 30, 2016 of $5,912, or $0.11 per diluted weighted average common shares based upon 51,704 diluted common shares outstanding. Losses from continuing operations for the nine months ended September 30, 2017 were $575 or $0.01 per diluted weighted average common shares, compared to net loss from continuing operations of $3,498, or $0.07 per diluted weighted average common shares, for the nine months ended September 30, 2016.

37

Non-GAAP Financial Measures

EBITDA, a non-GAAP performance measure used by management, is defined as net earnings plus interest expense, income tax expense and depreciation and amortization, as shown in the table below. EBITDA does not purport to be an alternative to net earnings as a measure of financial and operating performance or ability to generate cash flows from operations that are available for taxes and capital expenditures. Because not all companies use identical calculations, this presentation of EBITDA may not be comparable to other similarly-titled measures of other companies. We use, and we believe investors benefit from the presentation of, EBITDA in evaluating our operating performance because it provides us and our investors with an additional tool to compare our operating performance on a consistent basis by removing the impact of certain items that management believes do not directly reflect our core operations. We believe that EBITDA is useful to investors and other external users of our financial statements in evaluating our operating performance because EBITDA is widely used by investors to measure a company’s operating performance without regard to items such as interest expense, taxes, and depreciation and amortization, which can vary substantially from company to company depending upon accounting methods and book value of assets, capital structure and the method by which assets were acquired.

Using EBITDA as a performance measure has material limitations as compared to net earnings, or other financial measures as defined under U.S. GAAP as it excludes certain recurring items which may be meaningful to investors. EBITDA excludes interest expense; however, as we have borrowed money in order to finance transactions and operations, interest expense is an element of our cost structure and can affect our ability to generate revenue and returns for our stockholders. Further, EBITDA excludes depreciation and amortization; however, as we use capital and intangible assets to generate revenues, depreciation and amortization are a necessary element of our costs and ability to generate revenue. Finally, EBITDA excludes income taxes; however, as we are organized as a corporation, the payment of taxes is a necessary element of our operations. As a result of these exclusions from EBITDA, any measure that excludes interest expense, depreciation and amortization and income taxes has material limitations as compared to net earnings. When using EBITDA as a performance measure, management compensates for these limitations by comparing EBITDA and net earnings in each period, to allow for the comparison of the performance of the underlying core operations with the overall performance of the Company on a full-cost, after-tax basis. Using both EBITDA and net earnings to evaluate the business allows management and investors to (a) assess our relative performance against our competitors and (b) monitor our capacity to generate returns for our stockholders.

A reconciliation of EBITDA to the most directly comparable GAAP measure follows (in thousands):

	Three Months Ended September 30,						Nine Months Ended September 30,
	2017			2016			2017			2016
				(As restated)						(As restated)
Net (loss) earnings from continuing operations	$	(1,595	)	$	(10,910	)	$	(575	)	$	(3,498	)
Interest expense, net	1,035			606			2,066			1,810
Income tax (benefit) expense	(1,068		)	2,318			(368		)	5,523
Depreciation and amortization	1,756			1,480			5,011			5,689
EBITDA	$	128		$	(6,506	)	$	6,134		$	9,524

Liquidity and Capital Resources

At September 30, 2017, our primary sources of liquidity consisted of $14,933 of cash and cash equivalents, of which $11,657 was on deposit in foreign locations, and $28,825 of available borrowing capacity under our various credit facilities. See Note 9 to our consolidated financial statements for a description of our credit facilities and term loans. We believe that we have sufficient liquidity to support the anticipated cash needs of our operations over the next twelve months. However, significant unforeseen events, such as termination or cancellation of major contracts or further delays in receivable collections, could adversely affect our liquidity and results of operations.

From July 1, 2018 to July 12, 2018, the date of this filing, we were not in compliance with the requirements of our Revolving Credit Facilities which required the filing of this Quarterly Report on Form 10-Q by June 30, 2018. Upon the filing of this Quarterly Report on Form 10-Q, we are compliant under such requirements. Prior waivers of non-compliance with certain covenants in our Revolving Credit Facilities require us to file the Form 10-K for the 2017 fiscal year by July 17, 2018 and the Form 10-Q for the first quarter of 2018 by July 30, 2018. If we do not file such reports in accordance with these deadlines, we may again be in noncompliance with the requirements of our Revolving Credit Facilities.

38

If market opportunities exist, we intend to undertake financing actions to increase our liquidity, which could include borrowing additional funds under our credit agreements, obtaining new bank debt, raising funds through capital market transactions, or other strategic initiatives.

Sources of Additional Capital

We have relationships with other foreign banks for the issuance of letters of credit, letters of guarantee and performance bonds in a variety of foreign currencies. At September 30, 2017, we had approximately $49,263 of availability under these arrangements.

We cannot provide any assurance that any other sources of financing will be available, or if available, that the financing will be on terms acceptable to us.

Cash Flow Activity For the Nine Months Ended September 30, 2017

For the nine months ended September 30, 2017, cash and cash equivalents decreased by $10,704 to $14,933. Cash used in operations was $15,274, cash provided by investing activities was $127,257 and cash used in financing activities was $118,576. We also experienced a decrease in cash of $4,111 from the effect of foreign currency exchange rate fluctuations.

Operating Activities

Our operations used cash of $15,274 for the nine months ended September 30, 2017. This compares to cash provided by operating activities of $971 for the nine months ended September 30, 2016. We had consolidated net earnings for the nine months ended September 30, 2017 amounting to $37,424 compared to net loss of $5,855 for the nine months ended September 30, 2016. The increase was primarily due to the sale of the Construction Claims Group effective April 30, 2017. Depreciation and amortization was $5,011 during the nine months ended September 30, 2017 compared to $5,689 during the first nine months ended September 30, 2016; the decrease in this category in 2017 versus 2016 is due to the full amortization of the shorter-lived intangible assets of companies which we acquired over the last several years and reduced depreciation expense due to the sale of the Construction Claims Group.

Cash held in restricted accounts as collateral for the issuance of performance and advance payment bonds and letters of credit at September 30, 2017 and December 31, 2016 were $4,534 and $4,312, respectively.

Average days sales outstanding (“DSO”) was 148 days and 161 days at September 30, 2017 and 2016, respectively. DSO is a measure of our ability to collect our accounts receivable and is calculated by dividing the net period-end accounts receivable balance (including billed and unbilled A/R, joint venture A/R, WIP and current retainage receivable) by average total daily revenue (i.e., total revenue for the quarter divided by 90 days). Generally, the age of our receivables is adversely affected by the timing of payments from our clients in Europe and Africa, which have historically been slower than payments from clients in other geographic regions of the Company’s operations.

Although we continually monitor our accounts receivable, we manage our operating cash flows by managing the working capital accounts in total, rather than by individual elements. The primary elements of our working capital are accounts receivable, prepaid and other current assets, accounts payable and deferred revenue. Accounts receivable consist of billing to our clients for our consulting fees and other job-related costs. Prepaid expenses and other current assets consist of prepayments for various selling, general and administrative costs, such as insurance, rent, maintenance, etc. Accounts payable consist of obligations to third parties relating primarily to costs incurred for specific engagements, including pass-through costs such as subcontractor costs. Deferred revenue consists of payments received from clients in advance of work performed.

From year to year, the components of our working capital accounts may reflect significant changes. The changes are due primarily to the timing of cash receipts and payments with our working capital accounts combined with increases in our receivables and payables relative to the increase in our overall business, as well as our acquisition activity.

Investing Activities

Net cash provided by investing activities was $127,257 for the nine months ended September 30, 2017, as a result of the disposition of the discontinued operations during the second quarter of 2017(see note 2 to our financial statements).

39

Financing Activities

Net cash used in financing activities was $118,576 for the nine months ended September 30, 2017 primarily related to the repayment of the 2014 Term Loan in conjunction with the sale of the discontinued operations during the second quarter of 2017 (see note 2 to our financial statements).

NewAccounting Pronouncements

For information with respect to new accounting pronouncements and the impact of these pronouncements on our consolidated financial statements, see Note 5 to the consolidated financial statements in Item 8 of Form 10K/A (Amendment No. 2) for the year ended December 31, 2016 filed with the SEC on May 4, 2018. There have been no new pronouncements impacting our consolidated financial statements since that filing. See update below.

In May 2014, the FASB issued ASU 2014-09, Revenue from Contracts with Customers (Topic 606). This ASU supersedes the revenue recognition requirements in FASB ASC 605, Revenue Recognition, and in most industry-specific topics. The new guidance identifies how and when entities should recognize revenue. The new rules establish a core principle requiring the recognition of revenue to depict the transfer of promised goods or services to customers in an amount reflecting the consideration to which the entity expects to be entitled in exchange for such goods or services. In connection with this new standard, the FASB has issued several amendments to ASU 2014-09 to provide additional clarification and implementation instructions relating to (i) principal versus agent considerations, (ii) identifying performance obligations and licensing, (iii) narrow-scope improvements and practical expedients and (iv) technical corrections and improvements. However, none of the amendments change the core principle of the guidance in ASU 2014-09.

The new guidance in ASU 2014-09, as well as all amendments, is effective for fiscal years, and interim periods within those years, beginning after December 15, 2017. The new guidance permits two methods of adoption, full retrospective or modified retrospective and the Company anticipates that it will use the modified retrospective method of adoption in which the cumulative effect of applying the ASU will be recognized at January 1, 2018, the date of initial application. Management has implemented a plan of adoption and is continuing to evaluate the impact that adoption of this guidance will have on the Company’s financial statements.

The Company’s implementation plan includes the following:

• Forming an ASU 2014-09 working group comprised of management representatives.

• Analyzing the Company’s revenue streams.

• Selecting representative contracts within each revenue stream for evaluation under ASU 2014-09.

• Identifying the impact from the standard on current business processes.

• Evaluating additional disclosure requirements and monitoring changes to the Company’s internal controls.

Management has commenced its plan for adoption of ASU 2014-09 by reviewing various types of revenue contracts and disaggregated the revenue into two revenue streams: (i) fixed price and (ii) time and materials. Thus far, from its contract reviews, the Company does not anticipate a material impact to its results of operations as the pattern of revenue recognition and the measurement of variable consideration is expected to be consistent under the new standard. However, the Company’s initial assessment of the impact could change as the adoption plan progresses. The Company expects that there will be an impact to financial reporting due to the enhanced revenue disclosures and internal control over financial reporting due to the new disclosure requirements of ASC 606. The Company will adopt the requirements of the new standard effective January 1, 2018.

Quarterly Fluctuations

Our operating results vary from period to period as a result of the timing of projects and assignments. We do not believe that our business is seasonal.

Inflation

Although we are subject to fluctuations in the local currencies of the countries in which we operate, we do not believe that inflation will have a significant effect on our results of operations or our financial position.

40

Backlog

Our backlog represents management’s estimate of the amount of contracts and awards in hand that we expect to result in future revenue. Our backlog is evaluated by management, on a project-by-project basis, and is reported for each period shown based upon the binding nature of the underlying contract, commitment or letter of intent, and other factors, including the economic, financial and regulatory viability of the project and the likelihood of the contract being extended, renewed or canceled.

Backlog is not a measure defined in U.S. generally accepted accounting principles, and our methodology for determining backlog may not be comparable to the methodology used by other companies in determining their backlog.

At September 30, 2017, our backlog was approximately $891,484 compared to approximately $894,291 at June 30, 2017 and approximately $841,253 at December 31, 2016. Our net bookings during the third quarter of 2017 of $120,385 equates to a book-to-bill ratio of 97.7%. During the third quarter of 2017, we were awarded new contracts in the Middle East, Europe and the United States. We estimate that approximately $321,658 or 36.1% of the backlog at September 30, 2017, will be recognized over the next twelve months.

Although backlog reflects business that we consider to be firm, cancellations or scope adjustments may occur. Further, substantially all of our contracts with our clients may be terminated at will, in which case the client would only be obligated to us for services provided through the termination date. Historically, the impact of terminations and modifications on our realization of revenue from our backlog has not been significant; however, there can be no assurance that such changes will not be significant in the future. Furthermore, reductions of our backlog as a result of contract terminations and modifications may be offset by additions to the backlog.

We adjust backlog to reflect project cancellations, deferrals and revisions in scope and cost (both upward and downward) known at the reporting date. Future contract modifications or cancellations, however, may increase or reduce backlog and future revenue. The following tables show our backlog by geographic region (in thousands):

	Total Backlog				12-Month Backlog
September 30, 2017
United States/Canada	$	472,525	53.0	%	$	125,375	39.0	%
Latin America	11,890		1.3	%	8,216		2.6	%
Europe	67,009		7.5	%	29,968		9.3	%
Middle East	255,150		28.6	%	129,720		40.2	%
Africa	66,490		7.5	%	22,079		6.9	%
Asia/Pacific	18,420		2.1	%	6,300		2.0	%
Total	$	891,484	100.0	%	$	321,658	100.0	%
December 31, 2016
United States/Canada	$	459,000	54.5	%	$	141,000	41.7	%
Latin America	10,000		1.2	%	8,000		2.4	%
Europe	38,225		4.5	%	26,091		7.7	%
Middle East	284,028		33.8	%	133,030		39.3	%
Africa	42,000		5.0	%	22,000		6.5	%
Asia/Pacific	8,000		1.0	%	8,000		2.4	%
Total	$	841,253	100.0	%	$	338,121	100.0	%

Item 3.Quantitative and Qualitative Disclosures About Market Risk.

Refer to our 2016 Annual Report on Form 10-K/A (Amendment No.2) for a complete discussion of the Company’s market risk. There have been no material changes to the market risk information included in our 2016 Annual Report on Form 10-K/A (Amendment No. 2).

41

Item 4.Controls and Procedures.

Evaluation of Disclosure Controls and Procedures

The management of the Company, under the supervision and with the participation of our Interim Chief Executive Officer and Interim Chief Financial Officer, has evaluated the effectiveness of the Company’s disclosure controls and procedures (as such term is defined in Rule 13a-15(e) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”)), as of September 30, 2017. Management concluded that, due to the on-going remediation associated with the material weakness identified in our 2016 Annual Report on Form 10-K/A (Amendment No.2) (“2016 Form 10-K/A), our disclosure controls and procedures were ineffective as of September 30, 2017 to provide reasonable assurance that the information required to be disclosed by us in the reports that we file or submit under the Exchange Act of 1934 is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms, and that such information is accumulated and communicated to management as appropriate to allow timely decisions regarding required disclosure.

A control system, no matter how well conceived and operated, can provide only reasonable, not absolute, assurance that the objectives of the control system will be met. Further, the design of a control system must reflect the fact that there are resource constraints and the benefits of controls must be considered relative to their costs. Because of the inherent limitations in all control systems, no evaluation of controls can provide absolute assurance that all control issues and instances of fraud, if any, within the company have been detected. Because of the inherent limitations in a cost-effective control system, misstatements due to error or fraud may occur and not be detected. However, our disclosure controls and procedures are designed to provide reasonable assurance of achieving their objectives.

Exchange Act Rules 13a-15(e) and 15d-15(e) define “disclosure controls and procedures” to mean controls and procedures of a company that are designed to ensure that information required to be disclosed by the company in the reports that it files or submits under the Exchange Act is recorded, processed, summarized and reported, within the time periods specified in the Commission’s rules and forms. The definition further states that disclosure controls and procedures include, without limitation, controls and procedures designed to ensure that the information required to be disclosed by a company in the reports that it files or submits under the Exchange Act is accumulated and communicated to the company’s management, including its principal executive and principal financial officers, or persons performing similar functions, as appropriate to allow timely decisions regarding required disclosure.

A material weakness is a deficiency, or a combination of deficiencies, in internal control over financial reporting, such that there is a reasonable possibility that a material misstatement of the annual or interim financial statements will not be prevented or detected on a timely basis.

For a more comprehensive discussion of the material weaknesses in internal control over financial reporting identified by management as of December 31, 2016 and the remedial measures undertaken to address these material weaknesses, investors are encouraged to review Item 9A, Disclosure Controls and Procedures, of our 2016 Form 10-K/A.

Changes in Internal Control Over Financial Reporting

Our remediation efforts were ongoing during the nine months ended September 30, 2017, and, other than those remediation efforts described in Item 9A of our 2016 Annual Report on Form 10-K/A (Amendment No. 2), there were no other material changes in our internal control over financial reporting that occurred during the three and nine months ended September 30, 2017 that materially affected, or that are reasonably likely to materially affect, our internal control over financial reporting.

Therefore, while there were no changes, other than the items discussed in Item 9A of our 2016 Annual Report on Form 10-K/A (Amendment No. 2), our internal control over financial reporting in the three and nine months ended September 30, 2017 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting, we continued monitoring the operation of these remedial measures through the date of this on Form 10-Q.

42

Part II — OTHER INFORMATION

Item 1.  Legal Proceedings.

Information required by this item is incorporated by reference to Part I, item 1, Note 17 — Commitments and Contingencies, General Litigation.

Item 1A.  Risk Factors.

There has been no material changes pertaining to risk factors discussed in the Company’s 2016 Annual Report on Form 10-K/A (Amendment No. 2).

Item 2.  Unregistered Sales of Equity Securities and Use of Proceeds.

None.

Item 3.  Defaults Upon Senior Securities.

None.

Item 4.  Mine Safety Disclosures.

Not applicable.

Item 5.  Other Information.

None.

Item 6.Exhibits

31.1	Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2	Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1	Certification of Chief Executive Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
32.2	Certification of Chief Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101.INS	XBRL Instance Document.
101.SCH	XBRL Taxonomy Extension Schema Document.
101.PRE	XBRL Taxonomy Presentation Linkbase Document.
101.CAL	XBRL Taxonomy Calculation Linkbase Document.
101.LAB	XBRL Taxonomy Label Linkbase.
101.DEF	XBRL Taxonomy Extension Definition Linkbase Document.

43

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Hill International, Inc.
By:	/s/ Paul J. Evans
	Paul J. Evans
	Interim Chief Executive Officer
	(Principal Executive Officer)
Dated:	July 12, 2018
By:	/s/ Marco A. Martinez
	Marco A. Martinez
	Senior Vice President and Interim Chief Financial Officer
	(Principal Financial Officer and Principal Accounting Officer)
Dated:	July 12, 2018

44

EX-31.1

Exhibit 31.1

Section 302Certification of Chief Executive Officer

I, Paul J. Evans, certify that:

1.   I have reviewed this Quarterly Report on Form 10-Q of Hill International, Inc.;

2.   Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.   Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.   The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a. Designed such disclosure controls and procedures or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b. Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c. Evaluated the effectiveness of the registrant’s disclosure controls and procedures; and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures as of the end of the period covered by this report based on such evaluation; and

d. Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.   The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a. All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b. Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Dated:	July 12, 2018	/s/ Paul J. Evans
		Paul J. Evans
		Interim Chief Executive Officer

EX-31.2

Exhibit 31.2

Section 302 Certification of Chief Financial Officer

I, Marco A. Martinez, certify that:

1.  I have reviewed this Quarterly Report on Form 10-Q of Hill International, Inc.;

2.   Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.   Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.   The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e))  and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a. Designed such disclosure controls and procedures or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b. Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c. Evaluated the effectiveness of the registrant’s disclosure controls and procedures; and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures as of the end of the period covered by this report based on such evaluation; and

d. Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.   The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a. All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b. Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Dated:	July 12, 2018	/s/ Marco A. Martinez
		Marco A. Martinez
		Senior Vice President and Interim Chief Financial Officer

EX-32.1

Exhibit 32.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER

CERTIFICATION PURSUANT TO 18 U. S. C. SECTION 1350, AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Hill International, Inc. (the “Company”) on Form 10-Q for the period ended September 30, 2017 (the “Report”), I, Paul J. Evans, Interim Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

1. The Report fully complies with the requirements of Section 13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934; and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Dated:	July 12, 2018	/s/ Paul J. Evans
		Paul J. Evans
		Interim Chief Executive Officer

EX-32.2

Exhibit 32.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER

CERTIFICATION PURSUANT TO 18 U. S. C. SECTION 1350, AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Hill International, Inc. (the “Company”) on Form 10-Q for the period ended September 30, 2017 (the “Report”), I, Marco A. Martinez, Senior Vice President and Interim Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

1. The Report fully complies with the requirements of Section 13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934; and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Dated:	July 12, 2018	/s/ Marco A. Martinez
		Marco A. Martinez
		Senior Vice President and Interim Chief Financial Officer

XML

Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2017	Jul. 06, 2018
Document and Entity Information
Entity Registrant Name	Hill International, Inc.
Entity Central Index Key	0001287808
Document Type	10-Q
Document Period End Date	Sep. 30, 2017
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		55,135,158
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	Q3

XML

CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Assets
Cash and cash equivalents	$ 14,933	$ 25,637
Cash - restricted	4,534	4,312
Accounts receivable, less allowance for doubtful accounts of $67,952 and $71,082	155,562	164,844
Accounts receivable - affiliates	6,963	5,712
Prepaid expenses and other current assets	7,628	7,751
Income tax receivable	4,515	3,554
Current assets held for sale	0	54,651
Total current assets	194,135	266,461
Property and equipment, net	13,940	16,389
Cash - restricted, net of current portion	1,160	313
Retainage receivable	9,778	17,225
Acquired intangibles, net	4,556	6,006
Goodwill	53,041	50,665
Investments	4,469	3,501
Deferred income tax assets	3,573	3,200
Other assets	5,493	4,224
Non-current assets held for sale	0	32,091
Total assets	290,145	400,075
Liabilities and Stockholders’ Equity
Current maturities of notes payable and long-term debt	2,695	1,983
Accounts payable and accrued expenses	82,717	85,680
Income taxes payable	12,323	4,874
Current portion of deferred revenue	3,761	12,943
Other current liabilities	10,430	8,157
Current liabilities held for sale	0	25,888
Total current liabilities	111,926	139,525
Notes payable and long-term debt, net of current maturities	31,443	142,120
Retainage payable	641	961
Deferred income taxes	2,874	560
Deferred revenue	9,511	22,804
Other liabilities	14,710	12,666
Non-current liabilities held for sale	0	5,087
Total liabilities	171,105	323,723
Commitments and contingencies
Stockholders’ equity:
Preferred stock, $0.0001 par value; 1,000 shares authorized, none issued	0	0
Common stock, $0.0001 par value; 100,000 shares authorized, 59,358 shares and 58,835 shares issued at September 30, 2017 and December 31, 2016, respectively	6	6
Additional paid-in capital	195,890	190,353
Accumulated deficit	(44,097)	(81,349)
Accumulated other comprehensive loss	(5,150)	(4,611)
Shareholders' equity before treasury stock and noncontrolling interests	146,649	104,399
Less treasury stock of 6,977 shares at September 30, 2017 and December 31, 2016, respectively	(30,041)	(30,041)
Hill International, Inc. share of equity	116,608	74,358
Noncontrolling interests	2,432	1,994
Total equity	119,040	76,352
Total liabilities and stockholders’ equity	$ 290,145	$ 400,075

XML

CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Statement of Financial Position [Abstract]
Accounts receivable, allowance for doubtful accounts	$ 67,952	$ 71,082
Preferred stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares issued	0	0
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	59,358,000	58,835,000
Treasury stock, shares	6,977,000	6,977,000

XML

CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Income Statement [Abstract]
Revenues	$ 123,192	$ 121,222	$ 364,748	$ 390,830
Direct expenses	85,875	82,329	251,191	267,984
Gross profit	37,317	38,893	113,557	122,846
Selling, general and administrative expenses	38,945	46,867	112,482	118,983
Share of loss (profit) of equity method affiliates	0	12	(48)	28
Operating profit (loss)	(1,628)	(7,986)	1,123	3,835
Interest and related financing fees, net	1,035	606	2,066	1,810
(Loss) Earnings before income taxes	(2,663)	(8,592)	(943)	2,025
Income tax (benefit) expense	(1,068)	2,318	(368)	5,523
Loss from continuing operations	(1,595)	(10,910)	(575)	(3,498)
Discontinued operations:
Loss from discontinued operations, net of tax	(752)	(540)	(12,304)	(2,357)
Gain (Loss) on disposal of discontinued operations, net of tax	(1,892)	0	50,303	0
Loss from discontinued operations, net of tax	(2,644)	(540)	37,999	(2,357)
Net (loss) earnings	(4,239)	(11,450)	37,424	(5,855)
Less: net earnings - noncontrolling interests	55	96	175	57
Net (loss) earnings attributable to Hill International, Inc.	$ (4,294)	$ (11,546)	$ 37,249	$ (5,912)
Basic earnings (loss) per common share from continuing operations (in dollars per share)	$ (0.03)	$ (0.21)	$ (0.01)	$ (0.07)
Basic loss per common share from discontinued operations (in dollars per share)	(0.01)	(0.01)	(0.24)	(0.04)
Basic gain (loss) on disposal of discontinued operations, net of income tax (in dollars per share)	(0.04)	0.00	0.97	0.00
Basic (loss) earnings per common share - Hill International, Inc. (in dollars per share)	$ (0.08)	$ (0.22)	$ 0.72	$ (0.11)
Basic weighted average common shares outstanding (in shares)	52,371	51,753	52,065	51,704
Diluted earnings (loss) per common share from continuing operations (in dollars per share)	$ (0.03)	$ (0.21)	$ (0.01)	$ (0.07)
Diluted earnings (loss) per common share from discontinued operations (in dollars per share)	(0.01)	(0.01)	(0.24)	(0.04)
Diluted gain (loss) on disposal of discontinued operations, net of income tax (in dollars per share)	(0.04)	0.00	0.97	0.00
Diluted (loss) earnings per common share - Hill International, Inc. (in dollars per share)	$ (0.08)	$ (0.22)	$ 0.72	$ (0.11)
Diluted weighted average common shares outstanding (in shares)	52,371	51,753	52,065	51,704

XML

CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) EARNINGS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Statement of Comprehensive Income [Abstract]
Net earnings (loss)	$ (4,239)	$ (11,450)	$ 37,424	$ (5,855)
Foreign currency translation adjustment, net of tax	1,929	(160)	(273)	418
Other, net	0	79	0	135
Comprehensive earnings (loss)	(2,310)	(11,531)	37,151	(5,302)
Less: Comprehensive loss attributable to non-controlling interests	454	1,914	438	394
Comprehensive earnings (loss) attributable to Hill International, Inc.	$ (2,764)	$ (13,445)	$ 36,713	$ (5,696)

XML

CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities:
Net earnings (loss)	$ 37,424	$ (5,855)
Loss from discontinued operations	12,304	2,357
Gain on sale of discontinued operations, net of taxes (see note 2)	(50,303)	0
Earnings (loss) from continuing operations	(575)	(3,498)
Adjustments to reconcile net earnings to net cash provided by (used in):
Depreciation and amortization	5,011	5,689
Provision for bad debts	2,350	10,827
Amortization of deferred loan fees	789	1,334
Deferred tax provision (benefit)	706	(685)
Stock based compensation	2,671	1,680
Loss on sale of assets	184	0
Unrealized foreign exchange losses on intercompany balances	407	7,463
Changes in operating assets and liabilities:
Restricted cash	(1,051)	(190)
Accounts receivable	10,490	(3,468)
Accounts receivable - affiliate	(1,243)	(5,778)
Prepaid expenses and other current assets	562	(671)
Income taxes receivable	(566)	(762)
Retainage receivable	9,298	(14,498)
Other assets	(4,305)	6,944
Accounts payable and accrued expenses	(7,888)	(8,822)
Income taxes payable	516	(3,676)
Deferred revenue	(25,061)	7,030
Other current liabilities	2,131	1,604
Retainage payable	(326)	(1,059)
Other liabilities	843	1,435
Net cash (used in) provided by continuing operations	(5,057)	899
Net cash (used in) provided by discontinued operations	(10,217)	72
Net cash (used in) provided by operating activities	(15,274)	971
Cash flows from investing activities:
Purchases of business	(123)	0
Payments for purchase of property and equipment	(1,927)	(1,498)
Proceeds from sale of assets	60	0
Net cash used in investing activities of continuing operations	(1,990)	(1,498)
Net cash provided by (used in) investing activities of discontinued operations	129,247	(920)
Net cash provided by (used in) investing activities	127,257	(2,418)
Cash flows from financing activities:
Payments on term loans	(75)	(900)
Proceeds from term loans	30,000	0
Net (payments) borrowings on revolving loans	(28,885)	8,937
Pay-off and termination of term loan	(117,494)	0
Payments on Philadelphia Industrial Development Corporation loan	(42)	(41)
Deferred Acquisition price payments	0	(1,531)
Dividends paid to noncontrolling interest	(18)	(109)
Payments of financing fees	(4,038)	0
Proceeds from stock issued under employee stock purchase plan	138	74
Proceeds from exercise of stock options	1,838	219
Net cash (used in) provided by financing activities	(118,576)	6,649
Effect of exchange rate changes on cash	(4,111)	(8,072)
Net decrease in cash and cash equivalents	(10,704)	(2,870)
Cash and cash equivalents — beginning of period	25,637	24,089
Cash and cash equivalents — end of period	$ 14,933	$ 21,219

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The Company

9 Months Ended

Sep. 30, 2017

Organization, Consolidation and Presentation of Financial Statements [Abstract]

The Company

The Company

Hill International, Inc. (“Hill” or the “Company”) is a professional services firm that provides program management, project management, construction management and other consulting services primarily to the buildings, transportation, environmental, energy and industrial markets worldwide.  Hill’s clients include the U.S. federal government, U.S. state and local governments, foreign governments and the private sector.

Restatement of Previously Issued Unaudited Consolidated Financial Statements

On May 8, 2018, the Company filed its Annual Report on Form 10-K/A for the year ended December 31, 2016, which amended the Company’s audited consolidated financial statements for each of the years ended December 31, 2016, 2015 and 2014 and the related notes thereto. This Form 10-Q amends the Company’s unaudited consolidated financial statements for the three and nine months ended September 30, 2016 and the related notes thereto, included on Form 10-Q filed on August 8, 2016 (“Prior Filing”). The Restatement reflects the correction of the following errors identified for the three and nine months ended September 30, 2016 subsequent to the Prior Filing and the impact of restating the three months ended March 31, 2017 on the nine months ended September 30, 2017:

A. In connection with the accounting for the May 2017 sale of its Construction Claims Group, the Company determined that it had not previously accounted for certain foreign currency gains/losses on intercompany balances and transactions in accordance with accounting principles generally accepted in the United States (“US GAAP”). The Company improperly accounted for the foreign currency effect of certain transactions as if they were long-term investments by including the foreign currency effect in accumulated other comprehensive income instead of properly recording the effect as operating expenses as required under Accounting Standard Codification (ASC) 830 “Foreign Currency Matters.” As a result of these corrections, selling, general and administrative (“SG&A”) expenses increased $710 for the three months ended September 30, 2016; and decreased $1,813 and increased $1,186 for the nine months ended September 30, 2017 and 2016, respectively.

B. The Company identified departures from US GAAP under ASC 605-35 “Construction-Type and Production-Type Contracts” in its historical accounting for revenue recognition on nine long-term customer contracts with fee constraints (e.g., fixed fee, lump sum, maximum contract value). The Company enters into agreements for construction management and consulting services with customers, and the guidance of ASC 605-35-15-3D states that contracts for construction consulting services, such as under agency contracts or construction management agreements, fall within the scope of the standard and should follow either Percentage of Completion or Completed Contract methods of accounting. Historically, the Company had not consistently applied the percentage of completion method of revenue recognition. The corrections to properly apply U.S. GAAP to the identified contracts resulted in a decrease of $4,655 to revenues for the three months ended September 30, 2016; and increase of $3,130 and decrease of $499 to revenues for the nine months ended September 30, 2017 and 2016, respectively.

C. The Company discovered that it had not properly performed the required impairment testing of amortizable intangible assets in accordance with US GAAP in that certain assets no longer in use were not identified and impaired. In addition, an improper useful life was used for some of the Company’s internally developed software assets resulting in an improper amount of amortization expense being recorded in previous periods. The net effect of correcting these errors resulted in a $28 increase in SG&A expense for the three months ended September 30, 2016; and increases of $29 and $83 in SG&A expense for the nine months ended September 30, 2017 and 2016, respectively.

D. The Company identified other transactions that had been recorded to incorrect accounts and/or in improper amounts. The net corrections of these transactions resulted in an increase of $5 and a decrease of $757 in revenues for the three and nine months ended September 30, 2016, respectively, and a $5,421 increase in revenues for the nine months ended September 30, 2017; a $5,305 increase in direct expenses for the nine months ended September 30, 2017; a decrease of $798 and $3,306 in SG&A expenses for the three and nine months ended September 30, 2016, respectively and an increase of $473 in SG&A expenses for the nine month ended September 30, 2017; a $415 and a $1,245, increase in interest expenses for the three and nine months ended September 30, 2016, respectively; a $261 and $1,829 increase in net loss from discontinued operations for the three and nine months ended September 30, 2016, respectively and a $1,057 decrease in net loss from discontinued operations for the nine months ended September 30, 2017; and a $15 and $45 decrease in earnings from noncontrolling interest for the three and nine months ended September 30, 2016, respectively and a $58 increase in earnings from noncontrolling interest for the nine months ended September 30, 2017. In conjunction with the sale of the construction claims group, interest expense of $676 and $3,075 for the three and nine months ended September 30, 2016, respectively, and interest expense of $552 for the nine months ended September 30, 2017 was reclassified from continuing operations to discontinued operations.

E. Some of the corrections noted above impacted earnings (loss) before taxes which, in turn, required a calculation of the tax impact. The net impact was a decrease in income tax expense of $571 and $263 for the three and nine months ended September 30, 2016, respectively and an increase in income tax expense of $695 for the nine months ended September 30, 2017.

HILL INTERNATIONAL, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENT OF OPERATIONS

Three Months Ended September 30, 2016

(in thousands, except per share data)

	As Previously
	Reported			Adjustment			As Restated			Reference
Revenues	$	125,872		$	(4,650	)	$	121,222		B, D
Direct expenses	82,329			—			82,329
Gross profit	43,543			(4,650		)	38,893
Selling, general and administrative expenses	46,927			(60		)	46,867			A, C, D
Share of loss of equity method affiliates	12			—			12
Operating loss	(3,396		)	(4,590		)	(7,986		)
Interest and related financing fees, net	191			415			606			D
Loss before income taxes	(3,587		)	(5,005		)	(8,592		)
Income tax expense	2,889			(571		)	2,318			E
Loss from continuing operations	(6,476		)	(4,434		)	(10,910		)
Loss from discontinued operations	(279		)	(261		)	(540		)	D
Net loss	(6,755		)	(4,695		)	(11,450		)
Less: net earnings - noncontrolling interests	111			(15		)	96			D
Net loss attributable to Hill International, Inc.	$	(6,866	)	$	(4,680	)	$	(11,546	)
Basic loss per common share from continuing operations	$	(0.13	)	$	(0.08	)	$	(0.21	)
Basic loss per common share from discontinued operations	—			(0.01		)	(0.01		)
Basic loss per common share - Hill International, Inc.	$	(0.13	)	$	(0.09	)	$	(0.22	)
Basic weighted average common shares outstanding	51,753			—			51,753
Diluted loss per common share from continuing operations	$	(0.13	)	$	(0.08	)	$	(0.21	)
Diluted loss per common share from discontinued operations	—			(0.01		)	(0.01		)
Diluted loss per common share - Hill International, Inc.	$	(0.13	)	$	(0.09	)	$	(0.22	)
Diluted weighted average common shares outstanding	51,753			—			51,753

HILL INTERNATIONAL, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENT OF OPERATIONS

Nine Months Ended September 30, 2016

(in thousands, except per share data)

	As Previously
	Reported			Adjustment			As Restated			Reference
Revenues	$	392,087		$	(1,257	)	$	390,830		B, D
Direct expenses	267,984			—			267,984
Gross profit	124,103			(1,257		)	122,846
Selling, general and administrative expenses	121,020			(2,037		)	118,983			A, C, D
Share of loss of equity method affiliates	28			—			28
Operating profit	3,055			780			3,835
Interest and related financing fees, net	565			1,245			1,810			D
Earnings before income taxes	2,490			(465		)	2,025
Income tax expense	5,786			(263		)	5,523			E
Loss from continuing operations	(3,296		)	(202		)	(3,498		)
Loss from discontinued operations	(528		)	(1,829		)	(2,357		)	D
Net loss	(3,824		)	(2,031		)	(5,855		)
Less: net earnings - noncontrolling interests	102			(45		)	57			D
Net loss attributable to Hill International, Inc.	(3,926		)	(1,986		)	(5,912		)
Basic loss per common share from continuing operations	$	(0.07	)	$	—		$	(0.07	)
Basic loss per common share from discontinued operations	(0.01		)	(0.03		)	(0.04		)
Basic loss per common share - Hill International, Inc.	$	(0.08	)	$	(0.03	)	$	(0.11	)
Basic weighted average common shares outstanding	51,704			—			51,704
Diluted loss per common share from continuing operations	$	(0.07	)	$	—		$	(0.07	)
Diluted loss per common share from discontinued operations	(0.01		)	(0.03		)	(0.04		)
Diluted loss per common share - Hill International, Inc.	$	(0.08	)	$	(0.03	)	$	(0.11	)
Diluted weighted average common shares outstanding	51,704			—			51,704

HILL INTERNATIONAL, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME

Three Months Ended September 30, 2016

(in thousands)

	As Previously
	Reported			Adjustment			As Restated			Reference
Net loss	$	(6,755	)	$	(4,695	)	$	(11,450	)	A, B, C, D, E
Foreign currency translation adjustment, net	(1,638		)	1,478			(160		)	A, B, C, D
Other, net	79			—			79
Comprehensive loss	$	(8,314	)	$	(3,217	)	$	(11,531	)
Comprehensive earnings attributable to noncontrolling interest	132			1,782			1,914
Comprehensive loss attributable to Hill International Inc.	$	(8,446	)	(4,999		)	$	(13,445	)

HILL INTERNATIONAL, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME

Nine Months Ended September 30, 2016

(in thousands)

	As Previously
	Reported			Adjustment			As Restated			Reference
Net earnings	$	(3,824	)	$	(2,031	)	$	(5,855	)	A, B, C, D, E
Foreign currency translation adjustment, net	(1,257		)	1,675			418			A, B, C, D
Other, net	135			—			135
Comprehensive loss	$	(4,946	)	$	(356	)	(5,302		)
Comprehensive (loss) earnings attributable to noncontrolling interest	(1,223		)	1,617			394
Comprehensive loss attributable to Hill International Inc.	$	(3,723	)	$	(1,973	)	$	(5,696	)

In addition to the items noted above as part of the Restatement, the Company identified departures from US GAAP in its historical preparation and presentation of its statement of cash flows. The Company did not report its cash flows in the reporting currency equivalent of foreign currency using the exchange rates in effect at the time of the cash flows, or an appropriate average rate to approximate the rates in effect at the time of the cash flows. The impact of properly preparing a cash flow statement in each functional currency, translating the cash flow statement using the appropriate rate in effect at the time of a transaction, or substantially equivalent average rate for the period, and consolidation of the individual functional currency cash flows, as prescribed by the guidance in ASC 230, is depicted in the table below. The adjustments noted in the cash flow statements that follow are both a result of items “A” through “E” explained above, as well as the foreign currency effect from cash flow statements prepared in functional currency and appropriately translated.

HILL INTERNATIONAL, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENT OF CASH FLOW

Nine Months Ended September 30, 2016

(in thousands)

	As Previously
	Reported			Adjustment			As Restated
Cash flows from operating activities:
Net loss	$	(3,824	)	$	(2,031	)	$	(5,855	)
Loss from discontinued operations	—			2,357			2,357
Loss from continuing operations	(3,824		)	326			(3,498		)
Adjustments to reconcile net loss to net cash provided by (used in):
Depreciation and amortization	7,705			(2,016		)	5,689
Provision for bad debts	11,879			(1,052		)	10,827
Amortization of deferred loan fees	1,334			—			1,334
Deferred tax benefit	663			(1,348		)	(685		)
Stock based compensation	1,838			(158		)	1,680
Unrealized foreign exchange losses (gains) on intercompany balances	—			7,463			7,463
Changes in operating assets and liabilities:
Restricted cash	(69		)	(121		)	(190		)
Accounts receivable	2,652			(6,120		)	(3,468		)
Accounts receivable - affiliate	(5,665		)	(113		)	(5,778		)
Prepaid expenses and other current assets	(1,001		)	330			(671		)
Income taxes receivable	(756		)	(6		)	(762		)
Retainage receivable	(14,583		)	85			(14,498		)
Other assets	5,191			1,753			6,944
Accounts payable and accrued expenses	(8,582		)	(240		)	(8,822		)
Income taxes payable	(3,951		)	275			(3,676		)
Deferred revenue	124			6,906			7,030
Other current liabilities	2,639			(1,035		)	1,604
Retainage payable	(1,308		)	249			(1,059		)
Other liabilities	385			1,050			1,435
Net cash (used in) provided by continuing operations	(5,329		)	6,228			899
Net cash provided by discontinued operations	—			72			72
Net cash (used in) provided by in operating activities	(5,329		)	6,300			971
Cash flows from investing activities:
Payments for purchase of property and equipment	(2,584		)	1,086			(1,498		)
Net cash used in investing activities of continuing operations	(2,584		)	1,086			(1,498		)
Net cash used in investing activities of discontinued operations	—			(920		)	(920		)
Net cash used in investing activities	(2,584		)	166			(2,418		)
Cash flows from financing activities:
Payments on term loans	(900		)	—			(900		)
Net borrowings on revolving loans	8,950			(13		)	8,937
Payments on Philadelphia Industrial Development Corporation loan	(41		)	—			(41		)
Deferred acquisition price payments	(1,531		)	—			(1,531		)
Dividends paid to noncontrolling interest	(111		)	2			(109		)
Proceeds from stock issued under employee stock purchase plan	65			9			74
Proceeds from exercise of stock options	220			(1		)	219
Net cash provided by financing activities	6,652			(3		)	6,649
Effect of exchange rate changes on cash	(1,609		)	(6,463		)	(8,072		)
Net decrease in cash and cash equivalents	(2,870		)	—			(2,870		)
Cash and cash equivalents — beginning of period	24,089			—			24,089
Cash and cash equivalents — end of period	$	21,219		$	—		$	21,219

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Discontinued Operations and Sale of Business Unit

9 Months Ended

Sep. 30, 2017

Discontinued Operations and Disposal Groups [Abstract]

Discontinued Operations and Sale of Business Unit

Discontinued Operations and Sale of Business Unit

On December 20, 2016, the Company and its subsidiary Hill International N.V. (“Hill N.V.” and, collectively with the Company, the “Sellers”) entered into a Stock Purchase Agreement (as amended on May 3, 2017, the “Agreement”) with Liberty Mergeco, Inc. (the “US Purchaser”) and Liberty Bidco UK Limited (the “UK Purchaser” and, collectively with the US Purchaser, the “Purchasers”) pursuant to which the Purchasers were to acquire the Construction Claims Group (the "Claims Group") by the US Purchaser’s acquisition of all of the stock of Hill International Consulting, Inc. from the Company and the UK Purchaser’s acquisition of all of the stock of Hill International Consulting B.V. from Hill N.V. for a total purchase price of $140,000 in cash reduced by assumed indebtedness and certain other items, as set forth in the Agreement.

The Claims Group sale closed on May 5, 2017 with an effective date of April 30, 2017 for a total purchase price of $140,000 in cash less: (1) an estimated working capital adjustment at closing amounting to approximately $8,449; and (2) approximately $2,187 of assumed indebtedness. In addition, the Company was required to provide a $3,750 letter of credit into escrow in order to secure certain of the Company’s indemnification obligations for 12 months following closing. The funds provided by the sale of the Construction Claims Group and the cash received upon the draw down under the 2017 Term Loan Facility and the amended Revolving Credit Facilities (described below) were required to be used as follows: (a) $117,000 to pay off the 2014 Term Loan Facility; (b) approximately $8,793 to pay down the International Revolver; and (c) approximately $1,214 to pay accrued interest and certain bank fees. The remaining proceeds along with a portion of the proceeds from the 2017 Term Loan were used to pay down the $25,000 U.S. Revolver.

The Company and the purchasers of the Construction Claims Group were unable to agree upon a final net working capital amount. After agreeing to a reduction in the proceeds of $3,203 and pursuant to the terms of the agreement, the Company participated in a dispute resolution process by which independent accounting experts determined in June 2018 that the final net working capital should be reduced by an additional $1,876. The total reduction in the proceeds from the buyer of $5,079 was completed and finalized in June 2018 and was included in calculating the gain during the second quarter of 2017.

The Company entered into a transition services agreement (the “TSA”) and certain other agreements with the Purchasers that govern the relationships between the Purchasers and the Company following the Claims Group sale. Pursuant to the TSA, the Company provides the Purchasers with certain specified services on a transitional basis for periods generally up to six months following the Claims Group sale, including support in areas such as facilities, finance, human resources, legal, marketing, technology and treasury. In addition, the Company granted the Purchasers a license to use certain office premises as specified in the TSA. The TSA also outlined the services that the Purchasers provide to the Company for a period of generally up to six months following the Claims Group sale, including support in areas such as finance, legal and treasury. The charges for the transition services and licensed premises generally allows the providing company to recover the incremental costs and expenses it actually incurs in connection with providing the services and premises apart from the provision of certain services that are to be provided at no cost for terms specified in the TSA.

As of April 30, 2017, the assets and liabilities of the Claims Group were reflected as held for sale in the Company’s Consolidated Balance Sheets, and the operating results and cash flows of the Claims Group were reflected as discontinued operations in the Company’s Consolidated Statements of Operations, Consolidated Statements of Comprehensive Earnings, and Consolidated Statements of Cash Flows for all periods presented.

The carrying amounts of assets and liabilities of the discontinued operations of the Claims Group that were classified as held for sale are as follows (in thousands): 

	April 30, 2017			December 31, 2016
Accounts receivable, net	47,611			50,892
Prepaid expenses and other current assets	3,153			3,064
Income taxes receivable	—			695
Total current assets classified as held for sale	$	50,764		$	54,651
Property and equipment, net	5,786			4,617
Acquired intangibles, net	3,289			3,397
Goodwill	23,454			23,461
Investments	5			6
Other assets	2,860			610
Total non-current assets classified as held for sale	$	35,394		$	32,091
Accounts payable and accrued expenses	15,960			21,539
Income taxes payable	(17		)	92
Deferred revenue	—			1,562
Other current liabilities	15,867			2,695
Total current liabilities classified as held for sale	$	31,810		$	25,888
Deferred income taxes	—			385
Deferred revenue	92			1,012
Retained Earnings	—			457
Other liabilities	1,257			3,233
Total non-current liabilities classified as held for sale	$	1,349		$	5,087
Net Assets	$	52,999		55,767

The line items constituting earnings from discontinued operations consist of the following (in thousands):

	Three Months Ended September 30,						Nine Months Ended September 30,
	2017 (1)			2016			2017 (1)			2016
				(As restated)						(As restated)
Revenues	$	—		$	42,203		$	62,149		$	127,909
Direct expenses	—			18,872			31,339			58,919
Gross profit	—			23,331			30,810			68,990
Selling, general and administrative expenses (2)	727			21,118			33,874			61,901
Operating (loss) profit	(727		)	2,213			(3,064		)	7,089
Interest and related financing fees, net (3)	—			2,762			8,858			8,293
Loss before income taxes	(727		)	(549		)	(11,922		)	(1,204		)
Pretax gain on the disposal of discontinued operations (4)	—			—			61,443			—
Earnings from discontinued operations before income taxes	(727		)	(549		)	49,521			(1,204		)
Income tax expense (benefit) (5)	1,917			(9		)	11,522			1,153
Net gain (loss) from discontinued operations	$	(2,644	)	$	(540	)	$	37,999		$	(2,357	)

(1) Results of operations for the Claims Group are reflected through April 30, 2017, the effective closing date of the Claims Group sale.

(2) No amortization or depreciation expense was recorded by the Company in 2017 as the Claims Group’s assets were held for sale as of December 31, 2016.

(3) In connection with the sale of the Claims Group, the Company was required to pay off its existing term loan facility and amend and pay down its existing revolving credit facilities (See Note 9). Interest expense and debt issuance costs attributable to the Claims Group were charged to discontinued operations.

(4) The pretax gain on the sale of the Construction Claims Group was calculated as follows (in thousands):

Adjusted purchase price              $129,364

Cash transferred to buyer             4,041

Net proceeds received from Purchaser     $125,323

Less net assets held for sale          52,999

Less other adjustments             10,881

Pretax gain on disposal             $61,443

(5) The effective tax rates on pretax income from discontinued operations were (263.7)% and 23.3% for the three and nine months ended September 30, 2017, respectively. The 2017 rate differs from the U.S. federal statutory rate of 35% primarily due to the taxability of the gain on the sale in the U.S and foreign jurisdictions. The “gain on disposal of discontinued operations, net of tax” decreased during the 3-months ended September 30, 2017 due to an increase in tax expense. The tax expense of $1,917 is offset by a tax benefit to continuing operations of $1,893 from the use of its additional loss for the 3-months ended September 30, 2017.

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Liquidity

9 Months Ended

Sep. 30, 2017

Liquidity [Abstract]

Liquidity

Liquidity

At September 30, 2017 our principal sources of liquidity consisted of $14,933 of cash and cash equivalents, $16,847 of available borrowing capacity under the Domestic Revolving Credit Facility, $9,876 of available borrowing capacity under the International Revolving Credit Facility and $2,100 under other foreign credit agreements. Additional information regarding the Company's credit facilities is set forth in Note 9 - Notes Payable and Long-Term Debt.

From July 1, 2018 to July 12, 2018, the date of this filing, the Company was not in compliance with the requirements of its Revolving Credit Facilities, which required the filing of this Quarterly Report on Form 10-Q by June 30, 2018. Upon the filing of this Quarterly Report on Form 10-Q, the Company is compliant under such requirements. Prior waivers of non-compliance with certain covenants in the Revolving Credit Facilities require the Company to file the Form 10-K for the 2017 fiscal year by July 17, 2018 and the Form 10-Q for the first quarter of 2018 by July 30, 2018. If the Company does not file such reports in accordance with these deadlines, it may again be in noncompliance with the requirements of the Revolving Credit Facilities.

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Basis of Presentation

9 Months Ended

Sep. 30, 2017

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Presentation

Basis of Presentation

Basis of Presentation

The accompanying unaudited interim consolidated financial statements were prepared in accordance with the rules and regulations of the Securities and Exchange Commission pertaining to reports on Form 10-Q and should be read in conjunction with the consolidated financial statements and accompanying notes included in the Company’s Annual Report on Form 10-K/A (Amendment No. 2) for the year ended December 31, 2016. Accordingly, they do not include all of the information and footnotes required by US GAAP for complete financial statements. In the opinion of management, these statements include all adjustments (consisting only of normal, recurring adjustments) necessary for a fair presentation of the consolidated financial statements. The consolidated financial statements include the accounts of Hill and its wholly- and majority-owned subsidiaries. All intercompany balances and transactions have been eliminated in consolidation.

The preparation of financial statements in conformity with US GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. The interim operating results are not necessarily indicative of the results for a full year.

New Accounting Pronouncements

For information with respect to new accounting pronouncements and the impact of these pronouncements on our consolidated financial statements, see Note 5 to the consolidated financial statements in Item 8 of Form 10K/A (Amendment No. 2) for the year ended December 31, 2016 filed with the SEC on May 4, 2018. There have been no new pronouncements impacting our consolidated financial statements since that filing. See update below.

In May 2014, the FASB issued ASU 2014-09, Revenue from Contracts with Customers (Topic 606). This ASU supersedes the revenue recognition requirements in FASB ASC 605, Revenue Recognition, and most industry-specific topics. The new guidance identifies how and when entities should recognize revenue. The new rules establish a core principle requiring the recognition of revenue to depict the transfer of promised goods or services to customers in an amount reflecting the consideration to which the entity expects to be entitled in exchange for such goods or services. In connection with this new standard, the FASB has issued several amendments to ASU 2014-09 to provide additional clarification and implementation instructions relating to (i) principal versus agent considerations, (ii) identifying performance obligations and licensing, (iii) narrow-scope improvements and practical expedients and (iv) technical corrections and improvements. However, none of the amendments change the core principle of the guidance in ASU 2014-09.

The new guidance in ASU 2014-09, as well as all amendments, is effective for fiscal years, and interim periods within those years, beginning after December 15, 2017. The new guidance permits two methods of adoption, full retrospective or modified retrospective, and the Company anticipates that it will use the modified retrospective method of adoption in which the cumulative effect of applying the ASU will be recognized at January 1, 2018, the date of initial application. Management has implemented a plan of adoption and is continuing to evaluate the impact that adoption of this guidance will have on the Company’s financial statements.

The Company’s implementation plan includes the following:

• Forming an ASU 2014-09 working group comprised of management representatives.

• Analyzing the Company’s revenue streams.

• Selecting representative contracts within each revenue stream for evaluation under ASU 2014-09.

• Identifying the impact from the standard on current business processes.

• Evaluating additional disclosure requirements and monitoring changes to the Company’s internal controls.

Management has commenced its plan for adoption of ASU 2014-09 by reviewing various types of revenue contracts and disaggregated the revenue into two revenue streams: (i) fixed price and (ii) time and materials. Thus far, from its contract reviews, the Company does not anticipate a material impact to its results of operations as the pattern of revenue recognition and the measurement of variable consideration is expected to be consistent under the new standard. However, the Company’s initial assessment of the impact could change as the adoption plan progresses. The Company expects that there will be an impact to financial reporting due to the enhanced revenue disclosures and internal control over financial reporting due to the new disclosure requirements of ASC 606. The Company will adopt the requirements of the new standard effective January 1, 2018, in the Company's Form 10-Q for the three months ended March 31, 2018.

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Accounts Receivable

9 Months Ended

Sep. 30, 2017

Receivables [Abstract]

Accounts Receivable

Accounts Receivable

The components of accounts receivable are as follows (in thousands):

	September 30, 2017			December 31, 2016
Billed	$	190,881		$	200,134
Retainage, current portion	10,950			10,824
Unbilled	21,683			24,968
	223,514			235,926
Allowance for doubtful accounts	(67,952		)	(71,082		)
Total	$	155,562		$	164,844

Unbilled receivables primarily represent revenue earned on contracts, which the Company is contractually precluded from billing until predetermined future dates.

There is approximately $9,778 included in non-current Retainage Receivable in the consolidated balance sheet at September 30, 2017. Of that amount, approximately $9,497 relates to retention and approximately $281 relates to a Defect and Liability Period (“DLP”), on the MOTC in Oman. Fifty percent of the DLP will be released one year from the commencement and the balance will be released upon the issuance of final Completion Certificates. This period commences upon the issuance of a “Taking Over Certificate” (by MOTC) to contractors, continues for a period of up to 24 months, and ends with the issuance of a final certificate closing the project.

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Intangible Assets

9 Months Ended

Sep. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets

Intangible Assets

The following table summarizes the Company’s acquired intangible assets (in thousands):

	September 30, 2017				December 31, 2016
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Client relationships	$	17,534	$	13,420	$	16,699	$	11,298
Acquired contract rights	2,043		2,007		2,058		1,912
Trade names	897		491		959		500
Total	$	20,474	$	15,918	$	19,716	$	13,710
Intangible assets, net	$	4,556			$	6,006

Amortization expense related to intangible assets was as follows (in thousands):

Three Months Ended September 30,				Nine Months Ended September 30, 2017
2017		2016		2017		2016
		(As restated)				(As restated)
$	493	$	286	$	1,556	$	2,279

The following table presents the estimated amortization expense based on our present intangible assets for the next five years (in thousands): 

	Estimated Amortization Expense
Year ending December 31,
2017 (remaining 3 months)	$	485
2018	1,088
2019	990
2020	728
2021	338

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Goodwill

9 Months Ended

Sep. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

Goodwill

The following table summarizes the changes in the Company’s carrying value of goodwill during 2017 (in thousands):

Balance, December 31, 2016	$	50,665
Translation adjustments	2,376
Balance, September 30, 2017	$	53,041

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Accounts Payable and Accrued Expenses

9 Months Ended

Sep. 30, 2017

Payables and Accruals [Abstract]

Accounts Payable and Accrued Expenses

Accounts Payable and Accrued Expenses

Below are the components of accounts payable and accrued expenses (in thousands):

	September 30, 2017		December 31, 2016
Accounts payable	$	29,002	$	30,944
Accrued payroll and related expenses	34,006		32,618
Accrued subcontractor fees	11,112		9,188
Accrued agency fees	2,075		5,702
Accrued legal and professional fees	1,549		2,223
Other accrued expenses	4,973		5,005
	$	82,717	$	85,680

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Notes Payable and Long-Term Debt

9 Months Ended

Sep. 30, 2017

Debt Disclosure [Abstract]

Notes Payable and Long-Term Debt

Notes Payable and Long-Term Debt

Outstanding debt obligations are as follows (in thousands):

	September 30, 2017		December 31, 2016
2014 Term Loan Facility, net of unamortized discount and deferred financing costs of $4,416 at December 31, 2016	$	—	$	112,884
2017 Term Loan Facility, net of unamortized discount and deferred financing costs of $926 at September 30, 2017	28,999		—
Domestic Revolving Credit Facility	—		16,500
International Revolving Credit Facility	—		11,102
Borrowings under credit facilities with a consortium of banks in Spain	2,747		2,962
Borrowings under overdraft credit facilities with the National Bank of Abu Dhabi	1,779		—
Borrowings from Philadelphia Industrial Development Corporation	613		655
	34,138		144,103
Less current maturities, net of unamortized discount and deferred financing costs of $157 and $1,778 at September 30, 2017 and December 31, 2016, respectively.	2,695		1,983
Notes payable and long-term debt, net of current maturities	$	31,443	$	142,120

In conjunction with the sale of its Claims Group on May 5, 2017 (See Note 2), the Company terminated and paid off the 2014 Term Loan Facility and amended and paid down its Domestic and International Revolving Credit Facilities with Société Générale (the “Agent”), and other U.S. Loan Parties (the “U.S. Lenders”). There was approximately $117,000 outstanding under the 2014 Term Loan, $25,000 outstanding on the Domestic Revolving Credit Facility and €8,300 ($8,793) outstanding on the International Revolving Credit Facility prior to the debt extinguishment and modification. In the second quarter of 2017, the Company recorded a charge of approximately $4,024 for the write-off of unamortized debt issuance costs related to the extinguishment of the 2014 Term Loan Facility and approximately $325 for the write-off of unamortized debt issuance costs related to the modification and reduction of borrowing capacity of the Domestic Revolving Credit Facility. The write-off of unamortized debt issuance costs is included in the results from discontinued operations.

The Company is party to a credit agreement with Société Générale (the “Agent”), and other U.S. Loan Parties (the “U.S. Lenders”) consisting of the $30,000 (the "2017 Term Loan Facility") and a $25,000 U.S. dollar-denominated revolving credit facility (the “Domestic Revolving Credit Facility”, together with the 2017 Term Loan Facility, the “U.S. Credit Facilities”) available to the Company and a credit agreement with the Agent (the “International Lender”) providing a €9,156 ($10,000 at closing) revolving credit facility (the “International Revolving Credit Facility” and together with the Domestic Revolving Credit Facility, the “Revolving Credit Facilities” and, together with the U.S. Credit Facilities, the “Secured Credit Facilities”) which is available to Hill International N.V. The Domestic Revolving Credit Facility and the International Revolving Credit Facility include sub-limits for letters of credit amounting to $20,000 and €8,000 ($9,130 at closing), respectively.

The Secured Credit Facilities contain customary default provisions, representations and warranties, and affirmative and negative covenants, and require the Company to comply with certain financial and reporting covenants. The financial covenant is comprised of a maximum Consolidated Net Leverage Ratio of 3.00 to 1.00 for any fiscal quarter ending on or subsequent to March 31, 2017 for the trailing twelve months then-ended. The Consolidated Net Leverage Ratio is the ratio of (a) consolidated total debt (minus unrestricted cash and cash equivalents) to consolidated earnings before interest, taxes, depreciation, amortization, share-based compensation and other non-cash charges, including bad debt expense, certain one-time litigation and transaction related expenses, and restructuring charges for the trailing twelve months. In the event of a default, the U.S. Lender and the International Lender may increase the interest rates by 2.0%.

From July 1, 2018 to July 12, 2018, the date of this filing, the Company was not in compliance with the requirements of our Revolving Credit Facilities which required the filing of this Quarterly Report on Form 10-Q by June 30, 2018. Upon the filing of this Quarterly Report on Form 10-Q, the Company is compliant under such requirements. Prior waivers of non-compliance with certain covenants in the Revolving Credit Facilities require the Company to file the Form 10-K for the 2017 fiscal year by July 17, 2018 and the Form 10-Q for the first quarter of 2018 by July 30, 2018. If the Company does not file such reports in accordance with these deadlines, it may again be in noncompliance with the requirements of the Revolving Credit Facilities.

The U.S. Credit Facilities are guaranteed by certain U.S. subsidiaries of the Company, and the International Revolver is guaranteed by the Company and certain of the Company’s U.S. and non-U.S. subsidiaries.

2017 Term Loan Facility

The disclosures that follow below describe the debt obligations outstanding as of September 30, 2017 under the 2017 Term Loan Facility.

On June 21, 2017, the Company entered into the 2017 Term Loan Facility with a term of 6 years, requiring repayment of 1.0% of the original principal amount annually for the first five years. Any amounts repaid on the 2017 Term Loan Facility will not be available to be re-borrowed.

The 2017 Term Loan Facility was funded net of a 1.0% discount of $300 of the principal amount, which has been deferred. In addition, the Company incurred fees and expenses related to the 2017 Term Loan Facility of approximately $874, which have been deferred. The original issue discount and debt issuance costs are being amortized on a straight-line basis, which approximates the effective interest method, to interest and related financing fees, net over the six years ending June 21, 2023, the loan maturity date. The unamortized original issue discount and debt issuance cost balance of approximately $926 is included as an offset against the notes payable and long-term debt balance in the Consolidated Balance Sheet at September 30, 2017.

The interest rate on the 2017 Term Loan Facility is, at the Company’s option, either:

• the London Inter-Bank Offered Rate (“LIBOR”) for the relevant interest period plus 5.75% per annum, provided that such LIBOR shall not be lower than 1.00% per annum; or

• the Base Rate (as described below) plus 4.75% per annum.

The “Base Rate” is a per annum rate equal to the highest of (A) the prime rate, (B) the federal funds effective rate plus 0.50%, or (C) the LIBOR for an interest period of one month plus 1.00% per annum. Upon a default, the applicable rate of interest under the Secured Credit Facilities may increase by 2.00%. The LIBOR (including when determining the Base Rate) shall in no event be less than 1.00% per annum.

At September 30, 2017, the interest rate on the 2017 Term Loan Facility was 6.99%.

The Company has the right to prepay the 2017 Term Loan Facility in full or in part at any time without premium or penalty (except customary breakage costs); provided, however that upon the occurrence of prepayments relating to certain repricing transactions within the first six months following closing, a 1.0% prepayment premium will be payable. The Company is required to make certain mandatory prepayments, without premium or penalty (except customary breakage costs; provided, however, that upon the occurrence of any repricing transaction in respect of certain mandatory prepayments within the first six months following closing, a 1.0% prepayment premium is payable), including (i) with net proceeds of any issuance or incurrence of indebtedness by the Company after the closing, (ii) with net proceeds from certain asset sales outside the ordinary course of business, and (iii) with 50% of the excess cash flow for each fiscal year of the Company commencing with the first full fiscal year ending after closing (which percentage would be reduced to 25% if the Consolidated Net Leverage Ratio is equal to or less than 2.00 to 1.00).

The 2017 Term Loan Facility (along with interest thereon) is generally secured by a first-priority security interest in substantially all assets of the Company and certain of the Company’s U.S. subsidiaries other than accounts receivable and cash proceeds thereof, as to which the 2017 Term Loan Facility (and the interest thereon) is secured by a second-priority security interest.

Revolving Credit Facilities

Simultaneously with the closing of the sale of the Construction Claims Business, the Company amended its Domestic Revolving Credit Facility to reduce the amount available to the Company to $25,000, amended its International Revolving Credit Facility to reduce the amount available to the Company to $10,000, and drew approximately $25,191 in cash and approximately $9,193 in letters of credit against the amended Revolving Credit Facilities. Deferred fees incurred with establishing the Secured Credit Facilities amounting to approximately $325 were charged to discontinued operations during the quarter of the sale.

The Domestic Revolving Credit Facility and the International Revolving Credit Facility each have a term of five years from the closing and provide for letter of credit sub-limits in amounts of $20,000 and €8,000 (approximately $9,452 at September 30, 2017), respectively. The maximum Consolidated Net Leverage Ratio will be increased from the prior credit facilities to 3.00 for all test dates and will not decline. The definition of Consolidated Net Leverage Ratio was amended to (i) remove the cap on the amount of permitted cash netting and (ii) permit netting of unrestricted cash and cash equivalents. The Company incurred fees totaling $1,739 which are deferred and will be amortized to interest expense over the five-year term of the facilities. 

The Revolving Credit Facilities require payment of interest only during the term and were substantially drawn as of the date of modification. Under the Revolving Credit Facilities, outstanding loans may be repaid in whole or in part at any time, without premium or penalty, subject to certain customary limitations, and will be available to be re-borrowed from time to time through expiration on May 5, 2022.

The interest rate on borrowings under the Domestic Revolving Credit Facility are, at the Company’s option from time to time, either the LIBOR rate for the relevant interest period plus 3.75% per annum or the Base Rate plus 2.75% per annum. At September 30, 2017, the interest rate was 7.00%.

The interest rate on borrowings under the International Revolving Credit Facility will be the European Inter-Bank Offered Rate, or “EURIBOR,” for the relevant interest period (or at a substitute rate to be determined to the extent EURIBOR is not available) plus 4.50% per annum. Throughout the three months ended September 30, 2017, we had no borrowings and, therefore, did not incur such interest expense.

The Company has paid commitment fees calculated at 0.50% annually on the average daily unused portion of the Domestic Revolving Credit Facility, and the Subsidiary has paid commitment fees calculated at 0.75% annually on the average daily unused portion of the International Revolving Credit Facility.

The ability to borrow under each of the Domestic Revolving Credit Facility and the International Revolving Credit Facility is subject to a “borrowing base.” The Domestic Revolving Credit Facility borrowing base is calculated using a formula based upon approximately 85% of receivables that meet or satisfy certain criteria (“Eligible Domestic Receivables”). The International Revolving Credit Facility borrowing base is calculated using a different formula based upon approximately 10% of international receivables that meet or satisfy certain criteria.

The Company or the Subsidiary, as applicable, will be required to make mandatory prepayments under their respective Revolving Credit Facilities to the extent that the aggregate outstanding amount thereunder exceeds the then-applicable borrowing base, which payments will be made without penalty or premium. At September 30, 2017, the domestic borrowing base was $25,000 and the international borrowing base was €9,156 (approximately $10,818 at September 30, 2017).

Generally, the obligations of the Company under the Domestic Revolving Credit Facility are secured by a first-priority security interest in the Eligible Domestic Receivables, cash proceeds and bank accounts of the Company and certain of the Company’s U.S. subsidiaries, and a second-priority security interest in substantially all other assets of the Company and such subsidiaries. The obligations of the Subsidiary under the International Revolving Credit Facility are generally secured by a first-priority security interest in substantially all accounts receivable and cash proceeds thereof, certain bank accounts of the Subsidiary and certain of the Company’s non-U.S. subsidiaries, and a second-priority security interest in substantially all other assets of the Company and certain of the Company’s U.S. and non-U.S. subsidiaries.

The Company incurred fees and expenses related to the Revolving Credit Facilities in excess of $3,000 which has been deferred. The deferred fees are being amortized on a straight-line basis, which approximates the effective interest method, to interest expense and related financing fees, net over a five-year period which ends on May 5, 2022. The unamortized debt issuance cost balances of $2,502 and $1,650 are included in other assets in the consolidated balance sheet at September 30, 2017 and December 31, 2016, respectively.

At September 30, 2017 the Company had $8,153 of outstanding letters of credit and $16,847 of available borrowing capacity under the Domestic Revolving Credit Facility. At September 30, 2017, the Company had $942 of outstanding letters of credit and $9,876 of available borrowing capacity under the International Revolving Credit Facility.

Other Debt Arrangements

The Company’s subsidiary, Hill International (Spain) S.A. (“Hill Spain”), maintained a revolving credit facility with three banks in Spain which initially provided for total borrowing of up to €5,640 with interest at 6.50% on outstanding borrowings. The facility expired on December 17, 2016. Concurrent with the satisfaction of this facility Hill Spain entered into a new agreement with three new banks. The total new facility is for €2,770 (approximately $3,273 at September 30, 2017) which bears interest between 1.85% and 3.50% and is repaid in equal installments over varying expiration dates between 36 and 60 months.

Hill Spain previously maintained an ICO (Official Credit Institute) loan with Bankia Bank in Spain, which expired on August 10, 2017 and was paid in full.

The Company maintains a credit facility with the National Bank of Abu Dhabi which provides for total borrowings of up to AED 11,500 (approximately $3,130 at September 30, 2017) collateralized by certain overseas receivables. At September 30, 2017, AED 6,538 was utilized (approximately $1,779). The credit facility is subject to periodic review by the bank and as such has been classified as current in the consolidated balance sheet. The interest rate is the one-month Emirates InterBank Offer Rate plus 3.50% (or 5.50% at September 30, 2017) but no less than 5.50%.  This facility allows for letters of guarantee up to AED 200,000 (approximately $54,431 at September 30, 2017) of which AED 97,182 (approximately $26,448) was outstanding at September 30, 2017. 

Engineering S.A. maintains four unsecured revolving credit facilities with two banks in Brazil aggregating 2,380 Brazilian Reais (BRL) (approximately $752) at September 30, 2017, with a weighted average interest rate of 4.76% per month at September 30, 2017. There were no borrowings outstanding on any of these facilities at September 30, 2017 or December 31, 2016, which are renewed automatically every three months.

The Company also maintains relationships with other foreign banks for the issuance of letters of credit, letters of guarantee and performance bonds in a variety of foreign currencies. At September 30, 2017, the maximum U.S. dollar equivalent of the commitments was $84,087, of which $34,824 is outstanding.

In connection with the 2015 move of its corporate headquarters to Philadelphia, Pennsylvania, the Company received a loan from the Philadelphia Industrial Development Corporation in the amount of $750 which bears interest at 2.75%, is repayable in 144 equal monthly installments of $6 and matures on April 1, 2027.

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Supplemental Cash Flow Information

9 Months Ended

Sep. 30, 2017

Supplemental Cash Flow Elements [Abstract]

Supplemental Cash Flow Information

Supplemental Cash Flow Information

The following table provides additional cash flow information (in thousands):

	Nine Months Ended September 30,
	2017			2016
Interest and related financing fees paid	$	5,831		$	8,915
Income taxes paid	$	7,713		$	9,435
Increase (decrease) in other current liabilities and decrease (increase) in additional paid-in capital related to ESA Put Options	$	(777	)	$	2,670
Increase in additional paid-in capital from the issuance of shares of common stock from cashless exercise of stock options	$	—		$	729

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Earnings per Share

9 Months Ended

Sep. 30, 2017

Earnings Per Share [Abstract]

Earnings per Share

Earnings per Share

Basic earnings per common share have been computed using the weighted-average number of shares of common stock outstanding during the period. On May 10, 2017 the Company's Board of Directors approved a monthly grant of Company stock valued at $80 per month to the Interim Chief Executive Officer ("ICEO") during his term of service, to be delivered to him on the last day of his service as ICEO. There is no circumstance in which these shares will not be issued, therefore, the accumulated shares are included in basic shares outstanding and in the computation of weighted averages basic shares. Basic shares outstanding included 50 shares and 81 shares related to this grant in the three and nine months ended September 30, 2017, respectively.

Diluted earnings per common share incorporates the incremental shares issuable upon the assumed exercise of stock options using the treasury stock method, if dilutive. Options to purchase approximately 1,541 shares and 6,480 shares for the three month periods ended September 30, 2017 and 2016, respectively, and 2,079 shares and 6,478 shares for the nine month periods ended September 30, 2017 and 2016, respectively, were excluded from the calculation of diluted earnings per share because they were antidilutive.

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Share-Based Compensation

9 Months Ended

Sep. 30, 2017

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Share-Based Compensation

Share-Based Compensation

At September 30, 2017, the Company had approximately 5,527 options outstanding with a weighted average exercise price of $4.23.  During the nine months ended September 30, 2017, the Company granted approximately 716 options which vest over a five-year period. The options granted had a weighted average exercise price of $4.98 and a contractual life of 7.0 years. The aggregate fair value of the options was approximately $1,400 calculated using the Black-Scholes valuation model. The weighted average assumptions used to calculate fair value were: expected life—5 years; volatility—48.30% and risk-free interest rate—2.08%. During the nine months ended September 30, 2017, options for approximately 1,541 shares with a weighted average exercise price of $5.41 lapsed and options for approximately 222 shares with a weighted average exercise price of $4.41 were forfeited.

During the three and nine months ended September 30, 2017, employees purchased approximately 5 and 36 common shares, respectively, for an aggregate purchase price of approximately $24 and $138, respectively, pursuant to the Company’s 2008 Employee Stock Purchase Plan.

The Company recognized share-based compensation expense in selling, general and administrative expenses in the consolidated statement of operations totaling approximately $1,048 and $581 for the three months ended September 30, 2017 and 2016, respectively, and approximately $2,261 and $1,838 for the nine months ended September 30, 2017 and 2016, respectively.

On May 10, 2017 the Company's Board of Directors approved a monthly grant of Company stock valued at $80 per month to the Interim Chief Executive Officer ("ICEO") during his term of service. At the end of each month during such period, the ICEO is entitled to $80 worth of Company stock based on the closing price of the Company's common stock on the last trading day of the month. The aggregate number of shares earned will be delivered to the ICEO on his the last day of service as ICEO. During the three and nine month periods ended September 30, 2017, the ICEO accumulated 50 shares and 81 shares, respectively. The value of the shares accumulated is remeasured each reporting period. The change in value from the previous reporting period is recorded as an adjustment to compensation expense. The Company recorded compensation expense of $221 and $386 for the three and nine months ended September 30, 2017, respectively related to these monthly grants. The ultimate value of these grants cannot be determined until the shares are delivered, therefore, the accumulated value of these shares is recorded in accrued expenses and will be reclassified to equity when the shares are ultimately delivered on the ICEO's last day of service.

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Stockholders' Equity

9 Months Ended

Sep. 30, 2017

Stockholders' Equity Note [Abstract]

Stockholders' Equity

Stockholders’ Equity

The following table summarizes the changes in stockholders’ equity during the nine months ended September 30, 2017 (in thousands):

	Total			Hill International, Inc. Stockholders			Noncontrolling Interest
Stockholders’ equity, December 31, 2016	$	76,352		$	74,358		$	1,994
Net (loss) earnings	37,424			37,249			175
Other comprehensive earnings	(273		)	(536		)	263
Comprehensive (loss) earnings	37,151			36,713			438
Additional paid in capital	5,537			5,537			—
Stockholders’ equity, September 30, 2017	$	119,040		$	116,608		$	2,432

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Income Taxes

9 Months Ended

Sep. 30, 2017

Income Tax Disclosure [Abstract]

Income Taxes

Income Taxes

The effective tax rates for the three months ended September 30, 2017 and 2016 were 40.1% and (27.0)%, respectively, and 39.0% and 272.7% for the nine months ended September 30, 2017 and 2016, respectively. The Company’s effective tax rate represents the Company’s estimated tax rate for the year based on projected income and mix of income among the various foreign tax jurisdictions, adjusted for discrete transactions occurring during the period. The Company’s effective tax rate in both years is higher than it otherwise would be primarily as a result of not recording an income benefit related to the U.S. net operating loss.

The components of (loss) earnings before income taxes and the related income tax expense by the United States and foreign jurisdictions were as follows (in thousands):

	Three Months Ended September 30, 2017							Three Months Ended September 30, 2016
								(As Restated)
	U.S.		Foreign		Total			U.S.			Foreign			Total
(Loss) earnings before income taxes	(4,505	)	$	1,842	$	(2,663	)	$	(8,050	)	$	(542	)	$	(8,592	)
Income tax (benefit) expense, net	(1,892	)	$	824	$	(1,068	)	$	—		$	2,318		$	2,318
	Nine Months Ended September 30, 2017							Nine Months Ended September 30, 2016
								(As Restated)
	U.S.		Foreign		Total			U.S.			Foreign			Total
(Loss) earnings before income taxes	(8,613	)	$	7,670	$	(943	)	$	(21,512	)	$	23,537		$	2,025
Income tax (benefit) expense, net	(3,618	)	$	3,250	$	(368	)	$	—		$	5,523		$	5,523

The reserve for uncertain tax positions amounted to $2,319 and $6,735 at September 30, 2017 and December 31, 2016, respectively, and is included in “Other liabilities” in the consolidated balance sheet at those dates.

The Company’s policy is to record income tax related interest and penalties in income tax expense. There were no such items related to uncertain tax positions for the three and nine months ended September 30, 2017 and 2016, respectively.

In assessing the realizability of deferred tax assets, management considers whether it is more likely than not that some portion or all of the deferred tax assets will not be realized. The ultimate realization of deferred tax assets is dependent upon the generation of future taxable income during the periods in which those temporary differences become deductible. Management considers the scheduled reversal of deferred tax liabilities and projected future taxable income in making this assessment. Management evaluates the need for valuation allowances on the deferred tax assets according to the provisions of ASC 740, Income Taxes. They consider both positive and negative evidence. In making this determination, management assesses all of the evidence available at the time including recent earnings, internally-prepared income projections, and historical financial performance.

The 2017 continuing operations tax benefit in the United States is a result of the allocation of the United States operating loss being utilized to offset the gain in discontinued operations.

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Segment and Related Information

9 Months Ended

Sep. 30, 2017

Segment Reporting [Abstract]

Segment and Related Information

Segment and Related Information

At September 30, 2017, due to the sale of the Construction Claims Group (see Note 2), the Company now has one operating segment, the Project Management Group, which reflects how the Company is currently being managed. The Project Management Group provides construction and project management services to construction owners worldwide. Such services include program management, project management, construction management, project management oversight, troubled project turnaround, staff augmentation, project labor agreement consulting, commissioning, estimating and cost management, labor compliance services and facilities management services. The information for 2016 has been revised to exclude the operations of the Construction Claims Group which is accounted for as discontinued operations.

The following tables present certain information for the Project Management Group’s operations (in thousands):

Revenue by Geographic Region

	Three Months Ended September 30,								Nine Months Ended September 30,
	2017				2016				2017				2016
					(As restated)								(As restated)
United States*	$	59,640	48.4	%	$	50,675	41.8	%	$	169,229	46.4	%	$	148,194	37.8	%
Latin America	2,889		2.3	%	4,759		3.9	%	9,189		2.5	%	15,154		3.9	%
Europe	10,811		8.8	%	10,198		8.4	%	30,931		8.5	%	29,926		7.7	%
Middle East	42,248		34.3	%	45,580		37.6	%	131,211		36.0	%	166,887		42.7	%
Africa	6,034		4.9	%	5,946		4.9	%	17,651		4.8	%	18,659		4.8	%
Asia/Pacific	1,570		1.3	%	4,064		3.4	%	6,537		1.8	%	12,010		3.1	%
Total	$	123,192	100.0	%	$	121,222	100.0	%	$	364,748	100.0	%	$	390,830	100.0	%

* includes Canada

For the three and nine months ended September 30, 2017, the United States was the only country to account for over 10% of consolidated total revenue.

For the three and nine months ended September 30, 2016, total revenue for the United Arab Emirates was $17,431 or 14.4% and $64,221 or 16.4% of consolidated total revenue, respectively. The United States was the only other country to account for over 10% of consolidated total revenue during the three and nine months ended September 30, 2016.

Operating Profit (Loss)

	Three Months Ended September 30,						Nine Months Ended September 30,
	2017			2016			2017			2016
				(As restated)						(As restated)
United States	$	6,350		$	5,562		$	17,730		$	13,710
Latin America	88			(668		)	(2,431		)	1,520
Europe	(57		)	409			3,763			(818		)
Middle East	4,042			(3,296		)	15,402			15,326
Africa	180			232			(533		)	(878		)
Asia/Pacific	(658		)	94			(1,106		)	909
Corporate	(11,573		)	(10,319		)	(31,702		)	(25,934		)
Total	$	(1,628	)	$	(7,986	)	$	1,123		$	3,835

Depreciation and Amortization Expense

	Three Months Ended September 30,				Nine Months Ended September 30,
	2017		2016		2017		2016
			(As restated)				(As restated)
Project Management	$	1,422	$	1,263	$	4,397	$	5,237
Corporate	334		217		614		452
Total	$	1,756	$	1,480	$	5,011	$	5,689

Revenue By Client Type

	Three Months Ended September 30,								Nine Months Ended September 30,
	2017				2016				2017				2016
					(As restated)								(As restated)
U.S. federal government	$	3,729	3.0	%	$	3,055	2.5	%	$	10,965	3.0	%	$	8,716	2.2	%
U.S. state, regional and local governments	43,177		35.0	%	40,182		33.1	%	119,132		32.7	%	113,302		29.0	%
Foreign governments	33,524		27.2	%	34,000		28.0	%	105,546		28.9	%	129,045		33.0	%
Private sector	42,762		34.8	%	43,985		36.4	%	129,105		35.4	%	139,767		35.8	%
Total	$	123,192	100.0	%	$	121,222	100.0	%	$	364,748	100.0	%	$	390,830	100.0	%

Property, Plant and Equipment, Net, by Geographic Location

	September 30, 2017		December 31, 2016
United States/Canada	$	10,983	$	12,626
Latin America	598		881
Europe	882		218
Middle East	1,250		1,645
Africa	113		169
Asia/Pacific	114		850
Total	$	13,940	$	16,389

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Client Concentrations

9 Months Ended

Sep. 30, 2017

Risks and Uncertainties [Abstract]

Client Concentrations

Client Concentrations

The Company had no individual clients that accounted for 10% or more of total revenues during the three and nine months ended September 30, 2017 and 2016.

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Commitments and Contingencies

9 Months Ended

Sep. 30, 2017

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Commitments and Contingencies

General Litigation

From time to time, the Company is a defendant or plaintiff in various legal proceedings which arise in the normal course of business.  As such the Company is required to assess the likelihood of any adverse outcomes to these matters as well as potential ranges of probable losses.  A determination of the amount of the provision required for commitments and contingencies, if any, which would be charged to earnings, is made after careful analysis of each matter.  The provision may change in the future due to new developments or changes in circumstances.  Changes in the provision could increase or decrease the Company’s earnings in the period the changes are made.  It is the opinion of management, after consultation with legal counsel, that the ultimate resolution of these matters will not have a material adverse effect on the Company’s financial condition, results of operations or cash flows.

In 2013, M.A. Angeliades, Inc. (“Plaintiff”) filed a complaint with the Supreme Court of New York against the Company and the New York City Department of Design and Construction (“DDC”) regarding payment of approximately $8,771 for work performed as a subcontractor to the Company plus interest and other costs.  On October 5, 2015, pursuant to a settlement agreement, Hill paid Plaintiff approximately $2,596, including interest amounting to $1,056, of which $448 had been previously accrued and $608 was charged to expense for the year ended December 31, 2015.  The Plaintiff resolved its remaining issues regarding change orders and compensation for delay with DDC. On January 16, 2016, Plaintiff filed a Motion to amend its complaint against the Company claiming that the amounts paid by the Company do not reconcile with the amounts Plaintiff believes the Company received from DDC despite DDC’s records reflecting the same amount as the Company’s.  The Plaintiff’s Motion was granted and the parties are currently engaged in mediation and discovery.

Knowles Limited (“Knowles”), a subsidiary of the Company, is a party to an arbitration proceeding instituted on July 8, 2014 in which Knowles claimed that it was entitled to payment for services rendered to Celtic Bioenergy Limited (“Celtic”).  The arbitrator decided in favor of Knowles. The arbitrator’s award was appealed by Celtic to the U.K. High Court of Justice, Queen’s Bench Division, Technology and Construction Court (“Court”).  On March 16, 2017, the Court (1) determined that certain relevant facts had been deliberately withheld from the arbitrator by an employee of Knowles and (2) remitted the challenged parts of the arbitrator’s award back to the arbitrator to consider the award in possession of the full facts. The Company is evaluating the impact of the judgment of the Court.

Acquisition-Related Contingencies

As of September 30, 2017 our subsidiary, Hill International (Spain), S.A. (“Hill Spain”), owned an indirect 91.0% interest in Engineering S.A. (“ESA”), a firm located in Brazil.  ESA’s shareholders entered into an agreement whereby the minority shareholders have a right to compel (“ESA Put Option”) Hill Spain to purchase any or all of their shares during the period from February 28, 2014 to February 28, 2021. Hill Spain also has the right to compel (“ESA Call Option”) the minority shareholders to sell any or all of their shares during the same time period.  The purchase price for such shares shall be seven times the earnings before interest and taxes for ESA’s most recently ended fiscal year, net of any financial debt plus excess cash multiplied by a percentage which the shares to be purchased bear to the total number of shares outstanding at the time of purchase, but in the event the ESA Call Option is exercised by Hill Spain, the purchase price shall be increased by five percent.  The ESA Put Option and the ESA Call Option must be made within three months after the audited financial statements of ESA have been completed. On June 17, 2016, the three remaining minority shareholders exercised their ESA Put Options claim for a value of BRL 8,656 (approximately $2,734 at September 30, 2017).  At that time, the Company accrued the liability in other current liabilities and as an adjustment to additional paid in capital. The amount is subject to negotiation and any difference will be recorded upon completion of the transaction. See Note 18 Subsequent Events.

Other

The Company has identified a potential tax liability related to certain foreign subsidiaries’ failure to comply with laws and regulations of the jurisdictions, outside of their home country, in which their employees provided services. The Company has estimated the potential liability to be approximately $2,132 of which approximately $444 had been included in discontinued operations in the consolidated statement of operations for the nine months ended September 30, 2017. The potential liability balance is included in other liabilities in the consolidated balance sheet at September 30, 2017.

In connection with the move of its corporate headquarters, the Commonwealth of Pennsylvania provided the Company with a $1,000 grant received on July 13, 2015. The terms of the grant require the Company to spend at least $6,425 on capital expenditures for leasehold improvements and equipment for its new headquarters, remain at One Commerce Square for at least seven-years and employ at least 359 persons no later than April 1, 2018. The Company has met the capital expenditure requirement and has a twelve-year lease for its corporate headquarters. Upon receipt of the funds, the Company recorded a deferred credit which, assuming the employment requirement is met, will be reflected in income in the second quarter of 2018. If the Company does not meet the employment criteria, it will be required to repay the grant to the Commonwealth of Pennsylvania. The terms of the agreement are currently under review.

The landlord for the new Philadelphia headquarters provided the Company with a tenant improvement allowance amounting to approximately $3,894. The tenant improvement allowance, which has been deferred, is included in other liabilities in the consolidated balance sheet at September 30, 2017 and December 31, 2016 and is being amortized on a straight-line basis against rent expense over the term of the twelve-year lease which commenced on May 1, 2015.

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Subsequent Events

9 Months Ended

Sep. 30, 2017

Subsequent Events [Abstract]

Subsequent Events

Subsequent Events

Finalization of ESA Put Option

The Company settled negotiations with the minority shareholders of ESA in November 2017 and February 2018. The shareholders agreed to a reduced total payment of BRL 6,084 (approximately $1,922), which was reflected in the balance sheet at September 30, 2017. The Company made an adjustment to additional paid-in capital in the consolidated balance sheet at December 31, 2017 of BRL 4,475 (approximately $1,365) and on March 31, 2018 of BRL 3,146 (approximately $953) to record the final transaction amounts.

Tax Cuts and Jobs Act

On December 22, 2017, The Tax Cuts and Jobs Act of 2017 (Tax Act) was signed into law. The Tax Act will reduce the Company’s statutory U.S. federal corporate tax rate from 35% to 21% for the Company’s fiscal year beginning January 1, 2018. The Tax Act requires companies to pay a one-time transition tax on accumulated earnings of foreign subsidiaries, creates new taxes on certain foreign sourced earnings and eliminates or reduces certain deductions and credits. As of the time of this filing, the Company has not completed its evaluation of the effects of enactment of the Tax Act. Because a change in tax law is accounted for in the period of enactment, the effect of the Act will be recorded in the fourth quarter of 2017.

Kuwait Performance Guarantee

On or about February 8, 2018, the Company received notice from National Bank of Abu Dhabi (NBAD) that Public Authority of Housing Welfare of Kuwait submitted a claim for payment on a performance guarantee issued by the Company for approximately $7,927 for a project located in Kuwait. NBAD subsequently issued, on behalf of Company, payment on February 15, 2018. The Company is taking legal action to recover the full amount issued under the performance guarantee.

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Basis of Presentation (Policies)

9 Months Ended

Sep. 30, 2017

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Presentation

Basis of Presentation

The accompanying unaudited interim consolidated financial statements were prepared in accordance with the rules and regulations of the Securities and Exchange Commission pertaining to reports on Form 10-Q and should be read in conjunction with the consolidated financial statements and accompanying notes included in the Company’s Annual Report on Form 10-K/A (Amendment No. 2) for the year ended December 31, 2016. Accordingly, they do not include all of the information and footnotes required by US GAAP for complete financial statements. In the opinion of management, these statements include all adjustments (consisting only of normal, recurring adjustments) necessary for a fair presentation of the consolidated financial statements. The consolidated financial statements include the accounts of Hill and its wholly- and majority-owned subsidiaries. All intercompany balances and transactions have been eliminated in consolidation.

The preparation of financial statements in conformity with US GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. The interim operating results are not necessarily indicative of the results for a full year.

New Accounting Pronouncements

New Accounting Pronouncements

For information with respect to new accounting pronouncements and the impact of these pronouncements on our consolidated financial statements, see Note 5 to the consolidated financial statements in Item 8 of Form 10K/A (Amendment No. 2) for the year ended December 31, 2016 filed with the SEC on May 4, 2018. There have been no new pronouncements impacting our consolidated financial statements since that filing. See update below.

In May 2014, the FASB issued ASU 2014-09, Revenue from Contracts with Customers (Topic 606). This ASU supersedes the revenue recognition requirements in FASB ASC 605, Revenue Recognition, and most industry-specific topics. The new guidance identifies how and when entities should recognize revenue. The new rules establish a core principle requiring the recognition of revenue to depict the transfer of promised goods or services to customers in an amount reflecting the consideration to which the entity expects to be entitled in exchange for such goods or services. In connection with this new standard, the FASB has issued several amendments to ASU 2014-09 to provide additional clarification and implementation instructions relating to (i) principal versus agent considerations, (ii) identifying performance obligations and licensing, (iii) narrow-scope improvements and practical expedients and (iv) technical corrections and improvements. However, none of the amendments change the core principle of the guidance in ASU 2014-09.

The new guidance in ASU 2014-09, as well as all amendments, is effective for fiscal years, and interim periods within those years, beginning after December 15, 2017. The new guidance permits two methods of adoption, full retrospective or modified retrospective, and the Company anticipates that it will use the modified retrospective method of adoption in which the cumulative effect of applying the ASU will be recognized at January 1, 2018, the date of initial application. Management has implemented a plan of adoption and is continuing to evaluate the impact that adoption of this guidance will have on the Company’s financial statements.

The Company’s implementation plan includes the following:

• Forming an ASU 2014-09 working group comprised of management representatives.

• Analyzing the Company’s revenue streams.

• Selecting representative contracts within each revenue stream for evaluation under ASU 2014-09.

• Identifying the impact from the standard on current business processes.

• Evaluating additional disclosure requirements and monitoring changes to the Company’s internal controls.

Management has commenced its plan for adoption of ASU 2014-09 by reviewing various types of revenue contracts and disaggregated the revenue into two revenue streams: (i) fixed price and (ii) time and materials. Thus far, from its contract reviews, the Company does not anticipate a material impact to its results of operations as the pattern of revenue recognition and the measurement of variable consideration is expected to be consistent under the new standard. However, the Company’s initial assessment of the impact could change as the adoption plan progresses. The Company expects that there will be an impact to financial reporting due to the enhanced revenue disclosures and internal control over financial reporting due to the new disclosure requirements of ASC 606. The Company will adopt the requirements of the new standard effective January 1, 2018, in the Company's Form 10-Q for the three months ended March 31, 2018.

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The Company (Tables)

9 Months Ended

Sep. 30, 2017

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of corrections of the misstatement on the Company's consolidated balance sheets and consolidated statements of income, comprehensive income (loss) and cash flows

Restatement of Previously Issued Unaudited Consolidated Financial Statements

On May 8, 2018, the Company filed its Annual Report on Form 10-K/A for the year ended December 31, 2016, which amended the Company’s audited consolidated financial statements for each of the years ended December 31, 2016, 2015 and 2014 and the related notes thereto. This Form 10-Q amends the Company’s unaudited consolidated financial statements for the three and nine months ended September 30, 2016 and the related notes thereto, included on Form 10-Q filed on August 8, 2016 (“Prior Filing”). The Restatement reflects the correction of the following errors identified for the three and nine months ended September 30, 2016 subsequent to the Prior Filing and the impact of restating the three months ended March 31, 2017 on the nine months ended September 30, 2017:

A. In connection with the accounting for the May 2017 sale of its Construction Claims Group, the Company determined that it had not previously accounted for certain foreign currency gains/losses on intercompany balances and transactions in accordance with accounting principles generally accepted in the United States (“US GAAP”). The Company improperly accounted for the foreign currency effect of certain transactions as if they were long-term investments by including the foreign currency effect in accumulated other comprehensive income instead of properly recording the effect as operating expenses as required under Accounting Standard Codification (ASC) 830 “Foreign Currency Matters.” As a result of these corrections, selling, general and administrative (“SG&A”) expenses increased $710 for the three months ended September 30, 2016; and decreased $1,813 and increased $1,186 for the nine months ended September 30, 2017 and 2016, respectively.

B. The Company identified departures from US GAAP under ASC 605-35 “Construction-Type and Production-Type Contracts” in its historical accounting for revenue recognition on nine long-term customer contracts with fee constraints (e.g., fixed fee, lump sum, maximum contract value). The Company enters into agreements for construction management and consulting services with customers, and the guidance of ASC 605-35-15-3D states that contracts for construction consulting services, such as under agency contracts or construction management agreements, fall within the scope of the standard and should follow either Percentage of Completion or Completed Contract methods of accounting. Historically, the Company had not consistently applied the percentage of completion method of revenue recognition. The corrections to properly apply U.S. GAAP to the identified contracts resulted in a decrease of $4,655 to revenues for the three months ended September 30, 2016; and increase of $3,130 and decrease of $499 to revenues for the nine months ended September 30, 2017 and 2016, respectively.

C. The Company discovered that it had not properly performed the required impairment testing of amortizable intangible assets in accordance with US GAAP in that certain assets no longer in use were not identified and impaired. In addition, an improper useful life was used for some of the Company’s internally developed software assets resulting in an improper amount of amortization expense being recorded in previous periods. The net effect of correcting these errors resulted in a $28 increase in SG&A expense for the three months ended September 30, 2016; and increases of $29 and $83 in SG&A expense for the nine months ended September 30, 2017 and 2016, respectively.

D. The Company identified other transactions that had been recorded to incorrect accounts and/or in improper amounts. The net corrections of these transactions resulted in an increase of $5 and a decrease of $757 in revenues for the three and nine months ended September 30, 2016, respectively, and a $5,421 increase in revenues for the nine months ended September 30, 2017; a $5,305 increase in direct expenses for the nine months ended September 30, 2017; a decrease of $798 and $3,306 in SG&A expenses for the three and nine months ended September 30, 2016, respectively and an increase of $473 in SG&A expenses for the nine month ended September 30, 2017; a $415 and a $1,245, increase in interest expenses for the three and nine months ended September 30, 2016, respectively; a $261 and $1,829 increase in net loss from discontinued operations for the three and nine months ended September 30, 2016, respectively and a $1,057 decrease in net loss from discontinued operations for the nine months ended September 30, 2017; and a $15 and $45 decrease in earnings from noncontrolling interest for the three and nine months ended September 30, 2016, respectively and a $58 increase in earnings from noncontrolling interest for the nine months ended September 30, 2017. In conjunction with the sale of the construction claims group, interest expense of $676 and $3,075 for the three and nine months ended September 30, 2016, respectively, and interest expense of $552 for the nine months ended September 30, 2017 was reclassified from continuing operations to discontinued operations.

E. Some of the corrections noted above impacted earnings (loss) before taxes which, in turn, required a calculation of the tax impact. The net impact was a decrease in income tax expense of $571 and $263 for the three and nine months ended September 30, 2016, respectively and an increase in income tax expense of $695 for the nine months ended September 30, 2017.

HILL INTERNATIONAL, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENT OF OPERATIONS

Three Months Ended September 30, 2016

(in thousands, except per share data)

	As Previously
	Reported			Adjustment			As Restated			Reference
Revenues	$	125,872		$	(4,650	)	$	121,222		B, D
Direct expenses	82,329			—			82,329
Gross profit	43,543			(4,650		)	38,893
Selling, general and administrative expenses	46,927			(60		)	46,867			A, C, D
Share of loss of equity method affiliates	12			—			12
Operating loss	(3,396		)	(4,590		)	(7,986		)
Interest and related financing fees, net	191			415			606			D
Loss before income taxes	(3,587		)	(5,005		)	(8,592		)
Income tax expense	2,889			(571		)	2,318			E
Loss from continuing operations	(6,476		)	(4,434		)	(10,910		)
Loss from discontinued operations	(279		)	(261		)	(540		)	D
Net loss	(6,755		)	(4,695		)	(11,450		)
Less: net earnings - noncontrolling interests	111			(15		)	96			D
Net loss attributable to Hill International, Inc.	$	(6,866	)	$	(4,680	)	$	(11,546	)
Basic loss per common share from continuing operations	$	(0.13	)	$	(0.08	)	$	(0.21	)
Basic loss per common share from discontinued operations	—			(0.01		)	(0.01		)
Basic loss per common share - Hill International, Inc.	$	(0.13	)	$	(0.09	)	$	(0.22	)
Basic weighted average common shares outstanding	51,753			—			51,753
Diluted loss per common share from continuing operations	$	(0.13	)	$	(0.08	)	$	(0.21	)
Diluted loss per common share from discontinued operations	—			(0.01		)	(0.01		)
Diluted loss per common share - Hill International, Inc.	$	(0.13	)	$	(0.09	)	$	(0.22	)
Diluted weighted average common shares outstanding	51,753			—			51,753

HILL INTERNATIONAL, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENT OF OPERATIONS

Nine Months Ended September 30, 2016

(in thousands, except per share data)

	As Previously
	Reported			Adjustment			As Restated			Reference
Revenues	$	392,087		$	(1,257	)	$	390,830		B, D
Direct expenses	267,984			—			267,984
Gross profit	124,103			(1,257		)	122,846
Selling, general and administrative expenses	121,020			(2,037		)	118,983			A, C, D
Share of loss of equity method affiliates	28			—			28
Operating profit	3,055			780			3,835
Interest and related financing fees, net	565			1,245			1,810			D
Earnings before income taxes	2,490			(465		)	2,025
Income tax expense	5,786			(263		)	5,523			E
Loss from continuing operations	(3,296		)	(202		)	(3,498		)
Loss from discontinued operations	(528		)	(1,829		)	(2,357		)	D
Net loss	(3,824		)	(2,031		)	(5,855		)
Less: net earnings - noncontrolling interests	102			(45		)	57			D
Net loss attributable to Hill International, Inc.	(3,926		)	(1,986		)	(5,912		)
Basic loss per common share from continuing operations	$	(0.07	)	$	—		$	(0.07	)
Basic loss per common share from discontinued operations	(0.01		)	(0.03		)	(0.04		)
Basic loss per common share - Hill International, Inc.	$	(0.08	)	$	(0.03	)	$	(0.11	)
Basic weighted average common shares outstanding	51,704			—			51,704
Diluted loss per common share from continuing operations	$	(0.07	)	$	—		$	(0.07	)
Diluted loss per common share from discontinued operations	(0.01		)	(0.03		)	(0.04		)
Diluted loss per common share - Hill International, Inc.	$	(0.08	)	$	(0.03	)	$	(0.11	)
Diluted weighted average common shares outstanding	51,704			—			51,704

HILL INTERNATIONAL, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME

Three Months Ended September 30, 2016

(in thousands)

	As Previously
	Reported			Adjustment			As Restated			Reference
Net loss	$	(6,755	)	$	(4,695	)	$	(11,450	)	A, B, C, D, E
Foreign currency translation adjustment, net	(1,638		)	1,478			(160		)	A, B, C, D
Other, net	79			—			79
Comprehensive loss	$	(8,314	)	$	(3,217	)	$	(11,531	)
Comprehensive earnings attributable to noncontrolling interest	132			1,782			1,914
Comprehensive loss attributable to Hill International Inc.	$	(8,446	)	(4,999		)	$	(13,445	)

HILL INTERNATIONAL, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME

Nine Months Ended September 30, 2016

(in thousands)

	As Previously
	Reported			Adjustment			As Restated			Reference
Net earnings	$	(3,824	)	$	(2,031	)	$	(5,855	)	A, B, C, D, E
Foreign currency translation adjustment, net	(1,257		)	1,675			418			A, B, C, D
Other, net	135			—			135
Comprehensive loss	$	(4,946	)	$	(356	)	(5,302		)
Comprehensive (loss) earnings attributable to noncontrolling interest	(1,223		)	1,617			394
Comprehensive loss attributable to Hill International Inc.	$	(3,723	)	$	(1,973	)	$	(5,696	)

In addition to the items noted above as part of the Restatement, the Company identified departures from US GAAP in its historical preparation and presentation of its statement of cash flows. The Company did not report its cash flows in the reporting currency equivalent of foreign currency using the exchange rates in effect at the time of the cash flows, or an appropriate average rate to approximate the rates in effect at the time of the cash flows. The impact of properly preparing a cash flow statement in each functional currency, translating the cash flow statement using the appropriate rate in effect at the time of a transaction, or substantially equivalent average rate for the period, and consolidation of the individual functional currency cash flows, as prescribed by the guidance in ASC 230, is depicted in the table below. The adjustments noted in the cash flow statements that follow are both a result of items “A” through “E” explained above, as well as the foreign currency effect from cash flow statements prepared in functional currency and appropriately translated.

HILL INTERNATIONAL, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENT OF CASH FLOW

Nine Months Ended September 30, 2016

(in thousands)

	As Previously
	Reported			Adjustment			As Restated
Cash flows from operating activities:
Net loss	$	(3,824	)	$	(2,031	)	$	(5,855	)
Loss from discontinued operations	—			2,357			2,357
Loss from continuing operations	(3,824		)	326			(3,498		)
Adjustments to reconcile net loss to net cash provided by (used in):
Depreciation and amortization	7,705			(2,016		)	5,689
Provision for bad debts	11,879			(1,052		)	10,827
Amortization of deferred loan fees	1,334			—			1,334
Deferred tax benefit	663			(1,348		)	(685		)
Stock based compensation	1,838			(158		)	1,680
Unrealized foreign exchange losses (gains) on intercompany balances	—			7,463			7,463
Changes in operating assets and liabilities:
Restricted cash	(69		)	(121		)	(190		)
Accounts receivable	2,652			(6,120		)	(3,468		)
Accounts receivable - affiliate	(5,665		)	(113		)	(5,778		)
Prepaid expenses and other current assets	(1,001		)	330			(671		)
Income taxes receivable	(756		)	(6		)	(762		)
Retainage receivable	(14,583		)	85			(14,498		)
Other assets	5,191			1,753			6,944
Accounts payable and accrued expenses	(8,582		)	(240		)	(8,822		)
Income taxes payable	(3,951		)	275			(3,676		)
Deferred revenue	124			6,906			7,030
Other current liabilities	2,639			(1,035		)	1,604
Retainage payable	(1,308		)	249			(1,059		)
Other liabilities	385			1,050			1,435
Net cash (used in) provided by continuing operations	(5,329		)	6,228			899
Net cash provided by discontinued operations	—			72			72
Net cash (used in) provided by in operating activities	(5,329		)	6,300			971
Cash flows from investing activities:
Payments for purchase of property and equipment	(2,584		)	1,086			(1,498		)
Net cash used in investing activities of continuing operations	(2,584		)	1,086			(1,498		)
Net cash used in investing activities of discontinued operations	—			(920		)	(920		)
Net cash used in investing activities	(2,584		)	166			(2,418		)
Cash flows from financing activities:
Payments on term loans	(900		)	—			(900		)
Net borrowings on revolving loans	8,950			(13		)	8,937
Payments on Philadelphia Industrial Development Corporation loan	(41		)	—			(41		)
Deferred acquisition price payments	(1,531		)	—			(1,531		)
Dividends paid to noncontrolling interest	(111		)	2			(109		)
Proceeds from stock issued under employee stock purchase plan	65			9			74
Proceeds from exercise of stock options	220			(1		)	219
Net cash provided by financing activities	6,652			(3		)	6,649
Effect of exchange rate changes on cash	(1,609		)	(6,463		)	(8,072		)
Net decrease in cash and cash equivalents	(2,870		)	—			(2,870		)
Cash and cash equivalents — beginning of period	24,089			—			24,089
Cash and cash equivalents — end of period	$	21,219		$	—		$	21,219

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Discontinued Operations and Sale of Business Unit (Tables)

9 Months Ended

Sep. 30, 2017

Discontinued Operations and Disposal Groups [Abstract]

Schedule of the carrying amounts of assets and liabilities and earnings related to discontinued operations

The carrying amounts of assets and liabilities of the discontinued operations of the Claims Group that were classified as held for sale are as follows (in thousands): 

	April 30, 2017			December 31, 2016
Accounts receivable, net	47,611			50,892
Prepaid expenses and other current assets	3,153			3,064
Income taxes receivable	—			695
Total current assets classified as held for sale	$	50,764		$	54,651
Property and equipment, net	5,786			4,617
Acquired intangibles, net	3,289			3,397
Goodwill	23,454			23,461
Investments	5			6
Other assets	2,860			610
Total non-current assets classified as held for sale	$	35,394		$	32,091
Accounts payable and accrued expenses	15,960			21,539
Income taxes payable	(17		)	92
Deferred revenue	—			1,562
Other current liabilities	15,867			2,695
Total current liabilities classified as held for sale	$	31,810		$	25,888
Deferred income taxes	—			385
Deferred revenue	92			1,012
Retained Earnings	—			457
Other liabilities	1,257			3,233
Total non-current liabilities classified as held for sale	$	1,349		$	5,087
Net Assets	$	52,999		55,767

The line items constituting earnings from discontinued operations consist of the following (in thousands):

	Three Months Ended September 30,						Nine Months Ended September 30,
	2017 (1)			2016			2017 (1)			2016
				(As restated)						(As restated)
Revenues	$	—		$	42,203		$	62,149		$	127,909
Direct expenses	—			18,872			31,339			58,919
Gross profit	—			23,331			30,810			68,990
Selling, general and administrative expenses (2)	727			21,118			33,874			61,901
Operating (loss) profit	(727		)	2,213			(3,064		)	7,089
Interest and related financing fees, net (3)	—			2,762			8,858			8,293
Loss before income taxes	(727		)	(549		)	(11,922		)	(1,204		)
Pretax gain on the disposal of discontinued operations (4)	—			—			61,443			—
Earnings from discontinued operations before income taxes	(727		)	(549		)	49,521			(1,204		)
Income tax expense (benefit) (5)	1,917			(9		)	11,522			1,153
Net gain (loss) from discontinued operations	$	(2,644	)	$	(540	)	$	37,999		$	(2,357	)

(1) Results of operations for the Claims Group are reflected through April 30, 2017, the effective closing date of the Claims Group sale.

(2) No amortization or depreciation expense was recorded by the Company in 2017 as the Claims Group’s assets were held for sale as of December 31, 2016.

(3) In connection with the sale of the Claims Group, the Company was required to pay off its existing term loan facility and amend and pay down its existing revolving credit facilities (See Note 9). Interest expense and debt issuance costs attributable to the Claims Group were charged to discontinued operations.

(4) The pretax gain on the sale of the Construction Claims Group was calculated as follows (in thousands):

Adjusted purchase price              $129,364

Cash transferred to buyer             4,041

Net proceeds received from Purchaser     $125,323

Less net assets held for sale          52,999

Less other adjustments             10,881

Pretax gain on disposal             $61,443

(5) The effective tax rates on pretax income from discontinued operations were (263.7)% and 23.3% for the three and nine months ended September 30, 2017, respectively. The 2017 rate differs from the U.S. federal statutory rate of 35% primarily due to the taxability of the gain on the sale in the U.S and foreign jurisdictions. The “gain on disposal of discontinued operations, net of tax” decreased during the 3-months ended September 30, 2017 due to an increase in tax expense. The tax expense of $1,917 is offset by a tax benefit to continuing operations of $1,893 from the use of its additional loss for the 3-months ended September 30, 2017.

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Accounts Receivable (Tables)

9 Months Ended

Sep. 30, 2017

Receivables [Abstract]

Schedule of components of accounts receivable

The components of accounts receivable are as follows (in thousands):

	September 30, 2017			December 31, 2016
Billed	$	190,881		$	200,134
Retainage, current portion	10,950			10,824
Unbilled	21,683			24,968
	223,514			235,926
Allowance for doubtful accounts	(67,952		)	(71,082		)
Total	$	155,562		$	164,844

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Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of acquired intangible assets

The following table summarizes the Company’s acquired intangible assets (in thousands):

	September 30, 2017				December 31, 2016
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Client relationships	$	17,534	$	13,420	$	16,699	$	11,298
Acquired contract rights	2,043		2,007		2,058		1,912
Trade names	897		491		959		500
Total	$	20,474	$	15,918	$	19,716	$	13,710
Intangible assets, net	$	4,556			$	6,006

Summary of amortization expense related to intangible assets

Amortization expense related to intangible assets was as follows (in thousands):

Three Months Ended September 30,				Nine Months Ended September 30, 2017
2017		2016		2017		2016
		(As restated)				(As restated)
$	493	$	286	$	1,556	$	2,279

Summary of estimated amortization expense of intangible assets for the next five years

The following table presents the estimated amortization expense based on our present intangible assets for the next five years (in thousands): 

	Estimated Amortization Expense
Year ending December 31,
2017 (remaining 3 months)	$	485
2018	1,088
2019	990
2020	728
2021	338

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Goodwill (Tables)

9 Months Ended

Sep. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of changes in the Company's carrying value of goodwill

The following table summarizes the changes in the Company’s carrying value of goodwill during 2017 (in thousands):

Balance, December 31, 2016	$	50,665
Translation adjustments	2,376
Balance, September 30, 2017	$	53,041

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Accounts Payable and Accrued Expenses (Tables)

9 Months Ended

Sep. 30, 2017

Payables and Accruals [Abstract]

Schedule of components of accounts payable and accrued expenses

Below are the components of accounts payable and accrued expenses (in thousands):

	September 30, 2017		December 31, 2016
Accounts payable	$	29,002	$	30,944
Accrued payroll and related expenses	34,006		32,618
Accrued subcontractor fees	11,112		9,188
Accrued agency fees	2,075		5,702
Accrued legal and professional fees	1,549		2,223
Other accrued expenses	4,973		5,005
	$	82,717	$	85,680

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Notes Payable and Long-Term Debt (Tables)

9 Months Ended

Sep. 30, 2017

Debt Disclosure [Abstract]

Summary of outstanding debt obligations

Outstanding debt obligations are as follows (in thousands):

	September 30, 2017		December 31, 2016
2014 Term Loan Facility, net of unamortized discount and deferred financing costs of $4,416 at December 31, 2016	$	—	$	112,884
2017 Term Loan Facility, net of unamortized discount and deferred financing costs of $926 at September 30, 2017	28,999		—
Domestic Revolving Credit Facility	—		16,500
International Revolving Credit Facility	—		11,102
Borrowings under credit facilities with a consortium of banks in Spain	2,747		2,962
Borrowings under overdraft credit facilities with the National Bank of Abu Dhabi	1,779		—
Borrowings from Philadelphia Industrial Development Corporation	613		655
	34,138		144,103
Less current maturities, net of unamortized discount and deferred financing costs of $157 and $1,778 at September 30, 2017 and December 31, 2016, respectively.	2,695		1,983
Notes payable and long-term debt, net of current maturities	$	31,443	$	142,120

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Supplemental Cash Flow Information (Tables)

9 Months Ended

Sep. 30, 2017

Supplemental Cash Flow Elements [Abstract]

Schedule of additional cash flow information

The following table provides additional cash flow information (in thousands):

	Nine Months Ended September 30,
	2017			2016
Interest and related financing fees paid	$	5,831		$	8,915
Income taxes paid	$	7,713		$	9,435
Increase (decrease) in other current liabilities and decrease (increase) in additional paid-in capital related to ESA Put Options	$	(777	)	$	2,670
Increase in additional paid-in capital from the issuance of shares of common stock from cashless exercise of stock options	$	—		$	729

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Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2017

Stockholders' Equity Note [Abstract]

Summary of changes in stockholders' equity

The following table summarizes the changes in stockholders’ equity during the nine months ended September 30, 2017 (in thousands):

	Total			Hill International, Inc. Stockholders			Noncontrolling Interest
Stockholders’ equity, December 31, 2016	$	76,352		$	74,358		$	1,994
Net (loss) earnings	37,424			37,249			175
Other comprehensive earnings	(273		)	(536		)	263
Comprehensive (loss) earnings	37,151			36,713			438
Additional paid in capital	5,537			5,537			—
Stockholders’ equity, September 30, 2017	$	119,040		$	116,608		$	2,432

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Income Taxes (Tables)

9 Months Ended

Sep. 30, 2017

Income Tax Disclosure [Abstract]

Schedule of components of (loss) earnings before income taxes and the related income tax expense by the United States and foreign jurisdictions

The components of (loss) earnings before income taxes and the related income tax expense by the United States and foreign jurisdictions were as follows (in thousands):

	Three Months Ended September 30, 2017							Three Months Ended September 30, 2016
								(As Restated)
	U.S.		Foreign		Total			U.S.			Foreign			Total
(Loss) earnings before income taxes	(4,505	)	$	1,842	$	(2,663	)	$	(8,050	)	$	(542	)	$	(8,592	)
Income tax (benefit) expense, net	(1,892	)	$	824	$	(1,068	)	$	—		$	2,318		$	2,318
	Nine Months Ended September 30, 2017							Nine Months Ended September 30, 2016
								(As Restated)
	U.S.		Foreign		Total			U.S.			Foreign			Total
(Loss) earnings before income taxes	(8,613	)	$	7,670	$	(943	)	$	(21,512	)	$	23,537		$	2,025
Income tax (benefit) expense, net	(3,618	)	$	3,250	$	(368	)	$	—		$	5,523		$	5,523

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Segment and Related Information (Tables)

9 Months Ended

Sep. 30, 2017

Segment Reporting [Abstract]

Schedule of Revenue by Geographic Region

The following tables present certain information for the Project Management Group’s operations (in thousands):

Revenue by Geographic Region

	Three Months Ended September 30,								Nine Months Ended September 30,
	2017				2016				2017				2016
					(As restated)								(As restated)
United States*	$	59,640	48.4	%	$	50,675	41.8	%	$	169,229	46.4	%	$	148,194	37.8	%
Latin America	2,889		2.3	%	4,759		3.9	%	9,189		2.5	%	15,154		3.9	%
Europe	10,811		8.8	%	10,198		8.4	%	30,931		8.5	%	29,926		7.7	%
Middle East	42,248		34.3	%	45,580		37.6	%	131,211		36.0	%	166,887		42.7	%
Africa	6,034		4.9	%	5,946		4.9	%	17,651		4.8	%	18,659		4.8	%
Asia/Pacific	1,570		1.3	%	4,064		3.4	%	6,537		1.8	%	12,010		3.1	%
Total	$	123,192	100.0	%	$	121,222	100.0	%	$	364,748	100.0	%	$	390,830	100.0	%

Schedule of Operating Profit (Loss)

Operating Profit (Loss)

	Three Months Ended September 30,						Nine Months Ended September 30,
	2017			2016			2017			2016
				(As restated)						(As restated)
United States	$	6,350		$	5,562		$	17,730		$	13,710
Latin America	88			(668		)	(2,431		)	1,520
Europe	(57		)	409			3,763			(818		)
Middle East	4,042			(3,296		)	15,402			15,326
Africa	180			232			(533		)	(878		)
Asia/Pacific	(658		)	94			(1,106		)	909
Corporate	(11,573		)	(10,319		)	(31,702		)	(25,934		)
Total	$	(1,628	)	$	(7,986	)	$	1,123		$	3,835

Schedule of Depreciation and Amortization Expense

Depreciation and Amortization Expense

	Three Months Ended September 30,				Nine Months Ended September 30,
	2017		2016		2017		2016
			(As restated)				(As restated)
Project Management	$	1,422	$	1,263	$	4,397	$	5,237
Corporate	334		217		614		452
Total	$	1,756	$	1,480	$	5,011	$	5,689

Schedule of Revenue By Client Type

Revenue By Client Type

	Three Months Ended September 30,								Nine Months Ended September 30,
	2017				2016				2017				2016
					(As restated)								(As restated)
U.S. federal government	$	3,729	3.0	%	$	3,055	2.5	%	$	10,965	3.0	%	$	8,716	2.2	%
U.S. state, regional and local governments	43,177		35.0	%	40,182		33.1	%	119,132		32.7	%	113,302		29.0	%
Foreign governments	33,524		27.2	%	34,000		28.0	%	105,546		28.9	%	129,045		33.0	%
Private sector	42,762		34.8	%	43,985		36.4	%	129,105		35.4	%	139,767		35.8	%
Total	$	123,192	100.0	%	$	121,222	100.0	%	$	364,748	100.0	%	$	390,830	100.0	%

Schedule of Property, Plant and Equipment, Net by Geographic Location

Property, Plant and Equipment, Net, by Geographic Location

	September 30, 2017		December 31, 2016
United States/Canada	$	10,983	$	12,626
Latin America	598		881
Europe	882		218
Middle East	1,250		1,645
Africa	113		169
Asia/Pacific	114		850
Total	$	13,940	$	16,389

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The Company - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Restatement and Revision of Previously Reported Consolidated Financial Statements
Selling, general and administrative expenses	$ 38,945	$ 46,867	$ 112,482	$ 118,983
Revenues	123,192	121,222	364,748	390,830
Interest and related financing fees, net	1,035	606	2,066	1,810
Direct expenses	85,875	82,329	251,191	267,984
Increase (decrease) in net loss from discontinued operations	2,644	540	(37,999)	2,357
(Decrease) increase in income tax expense	$ (1,068)	2,318	(368)	5,523
Adjustment
Restatement and Revision of Previously Reported Consolidated Financial Statements
Selling, general and administrative expenses		(60)		(2,037)
Revenues		(4,650)		(1,257)
Interest and related financing fees, net		415		1,245
Direct expenses		0		0
Increase (decrease) in net loss from discontinued operations		261		1,829
Correction for foreign currency gains (losses) | Adjustment
Restatement and Revision of Previously Reported Consolidated Financial Statements
Selling, general and administrative expenses		710	(1,813)	1,186
Correction for revenue recognition on long-term customer contracts | Adjustment
Restatement and Revision of Previously Reported Consolidated Financial Statements
Revenues		(4,655)	3,130	(499)
Correction for impairment, useful lives, depreciation and amortization of assets | Adjustment
Restatement and Revision of Previously Reported Consolidated Financial Statements
Selling, general and administrative expenses		28	29	83
Correction for other transactions recorded to incorrect accounts and improper amounts | Adjustment
Restatement and Revision of Previously Reported Consolidated Financial Statements
Selling, general and administrative expenses		(798)	473	(3,306)
Revenues		5	5,421	(757)
Interest and related financing fees, net		676	552	3,075
Direct expenses			5,305
Interest expense		415		1,245
Increase (decrease) in net loss from discontinued operations		261	(1,057)	1,829
(Decrease) increase in earnings from noncontrolling interest		(15)	58	(45)
Corrections for effect on pre-tax income | Adjustment
Restatement and Revision of Previously Reported Consolidated Financial Statements
(Decrease) increase in income tax expense		$ 571	$ 695	$ 263

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The Company - Consolidated Statement of Operations (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Restatement and Revision of Previously Reported Consolidated Financial Statements
Revenues	$ 123,192	$ 121,222	$ 364,748	$ 390,830
Direct expenses	85,875	82,329	251,191	267,984
Gross profit	37,317	38,893	113,557	122,846
Selling, general and administrative expenses	38,945	46,867	112,482	118,983
Share of loss of equity method affiliates	0	12	(48)	28
Operating profit (loss)	(1,628)	(7,986)	1,123	3,835
Interest and related financing fees, net	1,035	606	2,066	1,810
(Loss) Earnings before income taxes	(2,663)	(8,592)	(943)	2,025
Income tax (benefit) expense	(1,068)	2,318	(368)	5,523
Loss from continuing operations	(1,595)	(10,910)	(575)	(3,498)
Loss from discontinued operations, net of income tax	(2,644)	(540)	37,999	(2,357)
Net (loss) earnings	(4,239)	(11,450)	37,424	(5,855)
Less: net earnings - noncontrolling interests	55	96	175	57
Net (loss) earnings attributable to Hill International, Inc.	$ (4,294)	$ (11,546)	$ 37,249	$ (5,912)
Basic (loss) earnings per common share from continuing operations (in dollars per share)	$ (0.03)	$ (0.21)	$ (0.01)	$ (0.07)
Basic loss per common share from discontinued operations (in dollars per share)	(0.01)	(0.01)	(0.24)	(0.04)
Basic (loss) earnings per common share - Hill International, Inc. (in dollars per share)	$ (0.08)	$ (0.22)	$ 0.72	$ (0.11)
Basic weighted average common shares outstanding (in shares)	52,371	51,753	52,065	51,704
Diluted earnings (loss) per common share from continuing operations (in dollars per share)	$ (0.03)	$ (0.21)	$ (0.01)	$ (0.07)
Diluted earnings (loss) per common share from discontinued operations (in dollars per share)	(0.01)	(0.01)	(0.24)	(0.04)
Diluted (loss) earnings per common share - Hill International, Inc. (in dollars per share)	$ (0.08)	$ (0.22)	$ 0.72	$ (0.11)
Diluted weighted average common shares outstanding (in shares)	52,371	51,753	52,065	51,704
As Previously Reported
Restatement and Revision of Previously Reported Consolidated Financial Statements
Revenues		$ 125,872		$ 392,087
Direct expenses		82,329		267,984
Gross profit		43,543		124,103
Selling, general and administrative expenses		46,927		121,020
Share of loss of equity method affiliates		12		28
Operating profit (loss)		(3,396)		3,055
Interest and related financing fees, net		191		565
(Loss) Earnings before income taxes		(3,587)		2,490
Income tax (benefit) expense		2,889		5,786
Loss from continuing operations		(6,476)		(3,296)
Loss from discontinued operations, net of income tax		(279)		(528)
Net (loss) earnings		(6,755)		(3,824)
Less: net earnings - noncontrolling interests		111		102
Net (loss) earnings attributable to Hill International, Inc.		$ (6,866)		$ (3,926)
Basic (loss) earnings per common share from continuing operations (in dollars per share)		$ (0.13)		$ (0.07)
Basic loss per common share from discontinued operations (in dollars per share)		0.00		(0.01)
Basic (loss) earnings per common share - Hill International, Inc. (in dollars per share)		$ (0.13)		$ (0.08)
Basic weighted average common shares outstanding (in shares)		51,753		51,704
Diluted earnings (loss) per common share from continuing operations (in dollars per share)		$ (0.13)		$ (0.07)
Diluted earnings (loss) per common share from discontinued operations (in dollars per share)		0.00		(0.01)
Diluted (loss) earnings per common share - Hill International, Inc. (in dollars per share)		$ (0.13)		$ (0.08)
Diluted weighted average common shares outstanding (in shares)		51,753		51,704
Adjustment
Restatement and Revision of Previously Reported Consolidated Financial Statements
Revenues		$ (4,650)		$ (1,257)
Direct expenses		0		0
Gross profit		(4,650)		(1,257)
Selling, general and administrative expenses		(60)		(2,037)
Share of loss of equity method affiliates		0		0
Operating profit (loss)		(4,590)		780
Interest and related financing fees, net		415		1,245
(Loss) Earnings before income taxes		(5,005)		(465)
Loss from continuing operations		(4,434)		(202)
Loss from discontinued operations, net of income tax		(261)		(1,829)
Net (loss) earnings		(4,695)		(2,031)
Less: net earnings - noncontrolling interests		(15)		(45)
Net (loss) earnings attributable to Hill International, Inc.		$ (4,680)		$ (1,986)
Basic (loss) earnings per common share from continuing operations (in dollars per share)		$ (0.08)		$ 0.00
Basic loss per common share from discontinued operations (in dollars per share)		(0.01)		(0.03)
Basic (loss) earnings per common share - Hill International, Inc. (in dollars per share)		$ (0.09)		$ (0.03)
Basic weighted average common shares outstanding (in shares)		0		0
Diluted earnings (loss) per common share from continuing operations (in dollars per share)		$ (0.08)		$ 0.00
Diluted earnings (loss) per common share from discontinued operations (in dollars per share)		(0.01)		(0.03)
Diluted (loss) earnings per common share - Hill International, Inc. (in dollars per share)		$ (0.09)		$ (0.03)
Diluted weighted average common shares outstanding (in shares)		0		0

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The Company - Consolidated Statement of Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Restatement and Revision of Previously Reported Consolidated Financial Statements
Net earnings	$ (4,239)	$ (11,450)	$ 37,424	$ (5,855)
Foreign currency translation adjustment, net	1,929	(160)	(273)	418
Other, net	0	79	0	135
Comprehensive earnings (loss)	(2,310)	(11,531)	37,151	(5,302)
Comprehensive loss attributable to noncontrolling interest	454	1,914	438	394
Comprehensive earnings (loss) attributable to Hill International, Inc.	$ (2,764)	(13,445)	$ 36,713	(5,696)
As Previously Reported
Restatement and Revision of Previously Reported Consolidated Financial Statements
Net earnings		(6,755)		(3,824)
Foreign currency translation adjustment, net		(1,638)		(1,257)
Other, net		79		135
Comprehensive earnings (loss)		(8,314)		(4,946)
Comprehensive loss attributable to noncontrolling interest		132		(1,223)
Comprehensive earnings (loss) attributable to Hill International, Inc.		(8,446)		(3,723)
Adjustment
Restatement and Revision of Previously Reported Consolidated Financial Statements
Net earnings		(4,695)		(2,031)
Foreign currency translation adjustment, net		1,478		1,675
Other, net		0		0
Comprehensive earnings (loss)		(3,217)		(356)
Comprehensive loss attributable to noncontrolling interest		1,782		1,617
Comprehensive earnings (loss) attributable to Hill International, Inc.		$ (4,999)		$ (1,973)

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The Company - Consolidated Statement of Cash Flows (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities:
Net (loss) earnings	$ (4,239)	$ (11,450)	$ 37,424	$ (5,855)
Loss from discontinued operations				2,357
Adjustments to reconcile net loss to net cash provided by (used in):				(3,498)
Adjustments to reconcile net earnings to net cash provided by (used in):
Depreciation and amortization			5,011	5,689
Provision for bad debts			2,350	10,827
Amortization of deferred loan fees			789	1,334
Deferred tax provision (benefit)			706	(685)
Stock based compensation			2,671	1,680
Unrealized foreign exchange losses on intercompany balances			407	7,463
Changes in operating assets and liabilities:
Restricted cash			(1,051)	(190)
Accounts receivable			10,490	(3,468)
Accounts receivable - affiliate			(1,243)	(5,778)
Prepaid expenses and other current assets			562	(671)
Income taxes receivable			(566)	(762)
Retainage receivable			9,298	(14,498)
Other assets			(4,305)	6,944
Accounts payable and accrued expenses			(7,888)	(8,822)
Income taxes payable			516	(3,676)
Deferred revenue			(25,061)	7,030
Other current liabilities			2,131	1,604
Retainage payable			(326)	(1,059)
Other liabilities			843	1,435
Net cash (used in) provided by continuing operations			(5,057)	899
Net cash (used in) provided by discontinued operations			(10,217)	72
Net cash (used in) provided by operating activities			(15,274)	971
Cash flows from investing activities:
Payments for purchase of property and equipment			(1,927)	(1,498)
Net cash used in investing activities of continuing operations			(1,990)	(1,498)
Net cash provided by (used in) investing activities of discontinued operations			129,247	(920)
Net cash provided by (used in) investing activities			127,257	(2,418)
Cash flows from financing activities:
Payments on term loans			(75)	(900)
Net (payments) borrowings on revolving loans			(28,885)	8,937
Payments on Philadelphia Industrial Development Corporation loan			(42)	(41)
Deferred Acquisition price payments			0	(1,531)
Dividends paid to noncontrolling interest			(18)	(109)
Proceeds from stock issued under employee stock purchase plan			138	74
Proceeds from exercise of stock options			1,838	219
Net cash (used in) provided by financing activities			(118,576)	6,649
Effect of exchange rate changes on cash			(4,111)	(8,072)
Net decrease in cash and cash equivalents			(10,704)	(2,870)
Cash and cash equivalents — beginning of period			25,637	24,089
Cash and cash equivalents — end of period	$ 14,933	21,219	$ 14,933	21,219
As Previously Reported
Cash flows from operating activities:
Net (loss) earnings		(6,755)		(3,824)
Loss from discontinued operations				0
Adjustments to reconcile net loss to net cash provided by (used in):				(3,824)
Adjustments to reconcile net earnings to net cash provided by (used in):
Depreciation and amortization				7,705
Provision for bad debts				11,879
Amortization of deferred loan fees				1,334
Deferred tax provision (benefit)				663
Stock based compensation				1,838
Unrealized foreign exchange losses on intercompany balances				0
Changes in operating assets and liabilities:
Restricted cash				(69)
Accounts receivable				2,652
Accounts receivable - affiliate				(5,665)
Prepaid expenses and other current assets				(1,001)
Income taxes receivable				(756)
Retainage receivable				(14,583)
Other assets				5,191
Accounts payable and accrued expenses				(8,582)
Income taxes payable				(3,951)
Deferred revenue				124
Other current liabilities				2,639
Retainage payable				(1,308)
Other liabilities				385
Net cash (used in) provided by continuing operations				(5,329)
Net cash (used in) provided by discontinued operations				0
Net cash (used in) provided by operating activities				(5,329)
Cash flows from investing activities:
Payments for purchase of property and equipment				(2,584)
Net cash used in investing activities of continuing operations				(2,584)
Net cash provided by (used in) investing activities of discontinued operations				0
Net cash provided by (used in) investing activities				(2,584)
Cash flows from financing activities:
Payments on term loans				(900)
Net (payments) borrowings on revolving loans				8,950
Payments on Philadelphia Industrial Development Corporation loan				(41)
Deferred Acquisition price payments				(1,531)
Dividends paid to noncontrolling interest				(111)
Proceeds from stock issued under employee stock purchase plan				65
Proceeds from exercise of stock options				220
Net cash (used in) provided by financing activities				6,652
Effect of exchange rate changes on cash				(1,609)
Net decrease in cash and cash equivalents				(2,870)
Cash and cash equivalents — beginning of period				24,089
Cash and cash equivalents — end of period		21,219		21,219
Adjustment
Cash flows from operating activities:
Net (loss) earnings		(4,695)		(2,031)
Loss from discontinued operations				2,357
Adjustments to reconcile net loss to net cash provided by (used in):				326
Adjustments to reconcile net earnings to net cash provided by (used in):
Depreciation and amortization				(2,016)
Provision for bad debts				(1,052)
Amortization of deferred loan fees				0
Deferred tax provision (benefit)				(1,348)
Stock based compensation				(158)
Unrealized foreign exchange losses on intercompany balances				7,463
Changes in operating assets and liabilities:
Restricted cash				(121)
Accounts receivable				(6,120)
Accounts receivable - affiliate				(113)
Prepaid expenses and other current assets				330
Income taxes receivable				(6)
Retainage receivable				85
Other assets				1,753
Accounts payable and accrued expenses				(240)
Income taxes payable				275
Deferred revenue				6,906
Other current liabilities				(1,035)
Retainage payable				249
Other liabilities				1,050
Net cash (used in) provided by continuing operations				6,228
Net cash (used in) provided by discontinued operations				72
Net cash (used in) provided by operating activities				6,300
Cash flows from investing activities:
Payments for purchase of property and equipment				1,086
Net cash used in investing activities of continuing operations				1,086
Net cash provided by (used in) investing activities of discontinued operations				(920)
Net cash provided by (used in) investing activities				166
Cash flows from financing activities:
Payments on term loans				0
Net (payments) borrowings on revolving loans				(13)
Payments on Philadelphia Industrial Development Corporation loan				0
Deferred Acquisition price payments				0
Dividends paid to noncontrolling interest				2
Proceeds from stock issued under employee stock purchase plan				9
Proceeds from exercise of stock options				(1)
Net cash (used in) provided by financing activities				(3)
Effect of exchange rate changes on cash				(6,463)
Net decrease in cash and cash equivalents				0
Cash and cash equivalents — beginning of period				0
Cash and cash equivalents — end of period		$ 0		$ 0

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Discontinued Operations and Sale of Business Unit (Details) - USD ($)		3 Months Ended		9 Months Ended
	May 05, 2017	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Jun. 30, 2018	Jun. 30, 2017	Apr. 30, 2017	Dec. 31, 2016
Details of assets and liabilities and earnings related to discontinued operations
Pay off and termination of term loan				$ 117,494,000	$ 0
Current assets classified as held for sale
Accounts receivable, net								$ 47,611,000	$ 50,892,000
Prepaid expenses and other current assets								3,153,000	3,064,000
Income taxes receivable								0	695,000
Total current assets classified as held for sale		$ 0		0				50,764,000	54,651,000
Non-current assets classified as held for sale
Property and equipment, net								5,786,000	4,617,000
Acquired intangibles, net								3,289,000	3,397,000
Goodwill								23,454,000	23,461,000
Investments								5,000	6,000
Other assets								2,860,000	610,000
Total non-current assets classified as held for sale		0		0				35,394,000	32,091,000
Current liabilities classified as held for sale
Accounts payable and accrued expenses								15,960,000	21,539,000
Income taxes payable								(17,000)	92,000
Deferred revenue								0	1,562,000
Other current liabilities								15,867,000	2,695,000
Total current liabilities classified as held for sale		0		0				31,810,000	25,888,000
Non-current liabilities classified as held for sale
Deferred income taxes								0	385,000
Deferred revenue								92,000	1,012,000
Retained Earnings								0	457,000
Other liabilities								1,257,000	3,233,000
Total non-current liabilities classified as held for sale		0		0				1,349,000	5,087,000
Net Assets								$ 52,999,000	$ 55,767,000
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Revenues		0	$ 42,203,000	62,149,000	127,909,000
Direct expenses		0	18,872,000	31,339,000	58,919,000
Gross profit		0	23,331,000	30,810,000	68,990,000
Selling, general and administrative expenses		727,000	21,118,000	33,874,000	61,901,000
Operating (loss) profit		(727,000)	2,213,000	(3,064,000)	7,089,000
Interest and related financing fees, net		0	2,762,000	8,858,000	8,293,000
Loss before income taxes		(727,000)	(549,000)	(11,922,000)	(1,204,000)
Pretax gain on the disposal of discontinued operations		0	0	61,443,000	0
Earnings from discontinued operations before income taxes		(727,000)	(549,000)	49,521,000	(1,204,000)
Income tax expense (benefit)		1,917,000	(9,000)	11,522,000	1,153,000
Loss from discontinued operations, net of tax		$ (2,644,000)	$ (540,000)	37,999,000	(2,357,000)
Depreciation and amortization				$ 5,011,000	$ 5,689,000
Disposal group, including discontinued operation, effective tax rate		(263.70%)		23.30%
Construction Claims Group
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Income tax expense (benefit)		$ (1,893,000)
Construction Claims Group | Discontinued operations, Sold
Details of assets and liabilities and earnings related to discontinued operations
Discontinued operation, consideration	$ 140,000,000	129,364,000		$ 129,364,000
Working capital adjustment	8,449,000
Assumed indebtedness	2,187,000
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Pretax gain on the disposal of discontinued operations				61,443,000
Depreciation and amortization				0
Cash transferred to buyer							$ 4,041,000
Net proceeds received from Purchaser							$ 125,323,000
Less net assets held for sale		$ 52,999,000		52,999,000
Disposal group adjustments				$ 10,881,000
Indemnification obligations | Construction Claims Group | Discontinued operations, Sold
Details of assets and liabilities and earnings related to discontinued operations
Letters of credit outstanding	$ 3,750,000
Period of escrow for indemnification obligations	12 months
Secured Credit Facilities
Details of assets and liabilities and earnings related to discontinued operations
Payment of accrued interest and certain bank fees	$ 1,214,000
Term loan payable | Secured Credit Facilities
Details of assets and liabilities and earnings related to discontinued operations
Pay off and termination of term loan	117,000,000
U.S. Revolver | Secured Credit Facilities
Details of assets and liabilities and earnings related to discontinued operations
Payments on term loans	25,000,000
International Revolver | Secured Credit Facilities
Details of assets and liabilities and earnings related to discontinued operations
Payments on term loans	8,793,000
Maximum | Construction Claims Group | Discontinued operations, Sold
Details of assets and liabilities and earnings related to discontinued operations
Working capital adjustment	$ 3,203,000
Subsequent event | Construction Claims Group | Discontinued operations, Sold
Details of assets and liabilities and earnings related to discontinued operations
Working capital adjustment						$ 5,079,000
Subsequent event | Minimum | Construction Claims Group | Discontinued operations, Sold
Details of assets and liabilities and earnings related to discontinued operations
Working capital adjustment						$ 1,876,000

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Liquidity (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Liquidity [Line Items]
Cash and cash equivalents	$ 14,933	$ 25,637
U.S. Revolver | Letters of credit
Liquidity [Line Items]
Line of Credit Facility, Remaining Borrowing Capacity	16,847
Foreign credit agreements | International Revolver | Revolving credit facility
Liquidity [Line Items]
Line of Credit Facility, Remaining Borrowing Capacity	2,100
Foreign credit agreements | Other Foreign Banks | International Revolver | Revolving credit facility
Liquidity [Line Items]
Line of Credit Facility, Remaining Borrowing Capacity	$ 9,876

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Accounts Receivable - Components of Accounts Receivable (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Components of accounts receivable
Billed	$ 190,881	$ 200,134
Retainage, current portion	10,950	10,824
Unbilled	21,683	24,968
Accounts receivable, gross	223,514	235,926
Allowance for doubtful accounts	(67,952)	(71,082)
Total	$ 155,562	$ 164,844

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Accounts Receivable - General (Details) - MOTC $ in Thousands	9 Months Ended
	Sep. 30, 2017 USD ($)
Accounts Receivable
Retainage receivable included in non-current retainage receivable	$ 9,778
Retention amount	9,497
Amount of retainage receivable relating to defect and liability period	$ 281
Percentage of retention released after one year from commencement of DLP	50.00%
Period after commencement of DLP for release of retention	1 year
Maximum period of DLP	24 months

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Intangible Assets - Acquired (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Summary of acquired intangible assets
Gross Carrying Amount	$ 20,474	$ 19,716
Accumulated Amortization	15,918	13,710
Intangible assets, net	4,556	6,006
Client relationship
Summary of acquired intangible assets
Gross Carrying Amount	17,534	16,699
Accumulated Amortization	13,420	11,298
Contract
Summary of acquired intangible assets
Gross Carrying Amount	2,043	2,058
Accumulated Amortization	2,007	1,912
Trade name
Summary of acquired intangible assets
Gross Carrying Amount	897	959
Accumulated Amortization	$ 491	$ 500

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Intangible Assets - Amortization Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization expense related to intangible assets	$ 493	$ 286	$ 1,556	$ 2,279
Estimated amortization expense of intangible assets for the next five years
2017 (remaining 3 months)	485		485
2018	1,088		1,088
2019	990		990
2020	728		728
2021	$ 338		$ 338

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Goodwill (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2017 USD ($)
Summary of changes in carrying value of goodwill during 2017
Balance, December 31, 2016	$ 50,665
Translation adjustments	2,376
Balance, September 30, 2017	$ 53,041

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Accounts Payable and Accrued Expenses (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Components of accounts payable and accrued expenses
Accounts payable	$ 29,002	$ 30,944
Accrued payroll and related expenses	34,006	32,618
Accrued subcontractor fees	11,112	9,188
Accrued agency fees	2,075	5,702
Accrued legal and professional fees	1,549	2,223
Other accrued expenses	4,973	5,005
Accounts payable and accrued expenses, net	$ 82,717	$ 85,680

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Notes Payable and Long-Term Debt - Summary of Outstanding Debt Obligations (Details) € in Thousands, $ in Thousands	Sep. 30, 2017 USD ($)	May 05, 2017 USD ($)	May 05, 2017 EUR (€)	Dec. 31, 2016 USD ($)
Summary of outstanding debt obligations
Unamortized discount and deferred financing costs	$ 157			$ 1,778
Long-term debt, total	34,138			144,103
Less current maturities	2,695			1,983
Notes payable and long-term debt, net of current maturities	31,443			142,120
Term loan payable | Philadelphia Industrial Development Corporation
Summary of outstanding debt obligations
Long-term debt, total	613			655
Revolving credit facility | Consortium of banks in Spain
Summary of outstanding debt obligations
Long-term debt, total	2,747			2,962
Revolving credit facility | National Bank of Abu Dhabi
Summary of outstanding debt obligations
Long-term debt, total	1,779			0
2014 Term Loan Facility | Term loan payable
Summary of outstanding debt obligations
Unamortized discount and deferred financing costs	4,416
Long-term debt, total	0	$ 117,000		112,884
2017 Term Loan Facility | Term loan payable
Summary of outstanding debt obligations
Unamortized discount and deferred financing costs	926
Long-term debt, total	28,999			0
Secured Credit Facilities | U.S. Revolver
Summary of outstanding debt obligations
Long-term debt, total	0	25,000		16,500
Secured Credit Facilities | International Revolver
Summary of outstanding debt obligations
Long-term debt, total	$ 0	$ 8,793	€ 8,300	$ 11,102

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Notes Payable and Long-Term Debt - Term Loan Facilities and Revolving Credit Facilities (Details) € in Thousands			3 Months Ended	9 Months Ended
	Jun. 21, 2017 USD ($)	May 05, 2017 USD ($)	Jun. 30, 2017 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2017 EUR (€)	May 05, 2017 EUR (€)	Dec. 31, 2016 USD ($)
Notes Payable and Long-Term Debt
Long-term Debt				$ 34,138,000			$ 144,103,000
Term loan payable
Notes Payable and Long-Term Debt
Aggregate principal amount				30,000,000
Mandatory prepayment percentage of the excess cash flow for each fiscal year with the first full fiscal year upon the achievement and maintenance of certain metrics	50.00%
Mandatory prepayment percentage of the excess cash flow for each fiscal year with the first full fiscal year upon the achievement net leverage ration is equal to or less than 2.25	25.00%
Consolidated net leverage limit for mandatory prepayment percentage of 25%	2
Term of debt	6 years
Quarterly principal payment, percentage	1.00%
Deferred financing fees	$ 874,000
Unamortized balances of expenses and fees				$ 926,000
Effective interest rate (as a percent)				6.985%
Prepayment premium	1.00%
Discount on principal	1.00%
Discount on principal amount	$ 300,000
Term loan payable | British Bankers Association LIBOR Rate
Notes Payable and Long-Term Debt
Basis of effective interest rate (as a percent)	5.75%
Term loan payable | British Bankers Association LIBOR Rate | Minimum
Notes Payable and Long-Term Debt
Basis of effective interest rate (as a percent)	1.00%
Interest rate (as a percent)	1.00%
Term loan payable | One Month LIBOR
Notes Payable and Long-Term Debt
Basis of effective interest rate (as a percent)	1.00%
Term loan payable | Base Rate
Notes Payable and Long-Term Debt
Basis of effective interest rate (as a percent)	4.75%
Term loan payable | Federal Funds Rate
Notes Payable and Long-Term Debt
Basis of effective interest rate (as a percent)	0.50%
Revolving credit facility
Notes Payable and Long-Term Debt
Term of debt		5 years
Deferred financing fees		$ 3,000,000
Revolving credit facility | Other Assets
Notes Payable and Long-Term Debt
Unamortized balances of expenses and fees				$ 2,502,000			1,650,000
Secured Credit Facilities
Notes Payable and Long-Term Debt
Debt covenant leverage ratio limit		3.00
Debt instrument increase in applicable interest rate for past due account receivable limit exceeded	2.00%
Increase in applicable interest rate upon default (as a percent)		2.00%
Secured Credit Facilities | Loss From discontinued operations
Notes Payable and Long-Term Debt
Write-off of deferred financing costs			$ 325,000
2014 Term Loan Facility | Loss From discontinued operations
Notes Payable and Long-Term Debt
Write-off of deferred financing costs			4,024,000
Term loan payable | 2014 Term Loan Facility
Notes Payable and Long-Term Debt
Long-term Debt		$ 117,000,000		$ 0			112,884,000
Revolving credit facility | Secured Credit Facilities
Notes Payable and Long-Term Debt
Deferred fees			325,000
Cash drawn on credit facility		$ 25,191,000
Term of debt		5 years
Letters of credit outstanding		$ 9,193,000
Consolidated net leverage ratio		3.00
U.S. Revolver
Notes Payable and Long-Term Debt
Effective interest rate (as a percent)				7.00%
U.S. Revolver | Letters of credit
Notes Payable and Long-Term Debt
Maximum borrowing capacity		$ 25,000,000
U.S. Revolver | British Bankers Association LIBOR Rate
Notes Payable and Long-Term Debt
Basis of effective interest rate (as a percent)		3.75%
U.S. Revolver | Base Rate
Notes Payable and Long-Term Debt
Basis of effective interest rate (as a percent)		2.75%
U.S. Revolver | Letters of credit
Notes Payable and Long-Term Debt
Maximum borrowing capacity		$ 20,000,000
Amounts outstanding				$ 8,153,000
Available borrowing capacity				16,847,000
U.S. Revolver | Revolving credit facility
Notes Payable and Long-Term Debt
Aggregate principal amount				25,000,000
Unused facility commitment fees percentage		0.50%
U.S. Revolver | Secured Credit Facilities
Notes Payable and Long-Term Debt
Long-term Debt		$ 25,000,000		$ 0			16,500,000
U.S. Revolver | Secured Credit Facilities | Letters of credit
Notes Payable and Long-Term Debt
Maximum borrowing capacity		20,000,000
Deferred fees		1,739,000
International Revolver
Notes Payable and Long-Term Debt
Maximum borrowing capacity		10,000,000
International Revolver | EURIBOR
Notes Payable and Long-Term Debt
Basis of effective interest rate (as a percent)				4.50%
International Revolver | Letters of credit
Notes Payable and Long-Term Debt
Maximum borrowing capacity		8,000,000	$ 9,130,000	$ 9,452,000
International Revolver | Revolving credit facility
Notes Payable and Long-Term Debt
Maximum borrowing capacity		$ 10,000,000		10,818,000	€ 9,156
Unused facility commitment fees percentage		0.75%
Percentage of eligible receivables that are subject to a perfected security interest which are used in calculation of borrowing base		85.00%
Percentage of eligible receivables that are not subject to a perfected security interest which are used in calculation of borrowing base		10.00%
International Revolver | Revolving credit facility | Foreign credit agreements
Notes Payable and Long-Term Debt
Available borrowing capacity				2,100,000
International Revolver | Secured Credit Facilities
Notes Payable and Long-Term Debt
Long-term Debt		$ 8,793,000		0		€ 8,300	11,102,000
International Revolver | Secured Credit Facilities | Letters of credit
Notes Payable and Long-Term Debt
Maximum borrowing capacity		$ 8,000,000
Other Foreign Banks
Notes Payable and Long-Term Debt
Maximum borrowing capacity							84,087,000
Letters of credit outstanding							$ 34,824,000
Other Foreign Banks | International Revolver | Revolving credit facility | Foreign credit agreements
Notes Payable and Long-Term Debt
Amounts outstanding				942,000
Available borrowing capacity				$ 9,876,000

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Notes Payable and Long-Term Debt - Other Debt Arrangements (Details) R$ in Thousands			9 Months Ended	12 Months Ended
	Jun. 21, 2017 USD ($)	May 05, 2017 USD ($)	Sep. 30, 2017 USD ($)	Dec. 31, 2016 USD ($) loanfacility item	Dec. 31, 2016 BRL (R$)	Dec. 31, 2016 EUR (€)	Dec. 31, 2016 AED (د.إ)	Dec. 17, 2016 EUR (€)
Other Foreign Banks
Description of terms of credit agreement
Maximum borrowing capacity				$ 84,087,000
Letters of credit outstanding				34,824,000
Letters of credit | National Bank of Abu Dhabi
Description of terms of credit agreement
Maximum borrowing capacity				54,431,000			د.إ 200,000,000
Letters of credit outstanding				26,448,000			د.إ 97,182,000
Term loan payable
Description of terms of credit agreement
Aggregate principal amount			$ 30,000,000
Term of debt	6 years
Unamortized balances of expenses and fees			$ 926,000
Effective interest rate (as a percent)			6.985%
Quarterly principal payment, percentage	1.00%
Discount on principal	1.00%
Discount on principal amount	$ 300,000
Deferred financing fees	$ 874,000
Term loan payable | Philadelphia Industrial Development Corporation
Description of terms of credit agreement
Aggregate principal amount				$ 750,000
Interest rate (as a percent)				2.75%	2.75%	2.75%	2.75%
Term of debt				144 months
Amount payable in each installment				$ 6,000
Revolving credit facility
Description of terms of credit agreement
Term of debt		5 years
Deferred financing fees		$ 3,000,000
Revolving credit facility | National Bank of Abu Dhabi
Description of terms of credit agreement
Maximum borrowing capacity				3,130,000			د.إ 11,500,000
Amounts outstanding				$ 1,779,000			د.إ 6,538,000
Revolving credit facility | National Bank of Abu Dhabi | Emirates InterBank Offer Rate
Description of terms of credit agreement
Basis of effective interest rate (as a percent)				3.50%
Effective interest rate (as a percent)				5.50%
Revolving credit facility | National Bank of Abu Dhabi | Emirates InterBank Offer Rate | Minimum
Description of terms of credit agreement
Interest rate (as a percent)				5.50%	5.50%	5.50%	5.50%
Revolving credit facility | Engineering S.A.
Description of terms of credit agreement
Number of revolving credit lines maintained by Engineering S.A. | item				4
Number of banks involved in revolving credit facility | loanfacility				2
Maximum borrowing capacity				$ 752,000
Amounts outstanding				$ 0	R$ 2,380
Weighted average interest rate (as a percent)				4.76%	4.76%	4.76%	4.76%
Period of automatic renewal				3 months
Revolving credit facility | Hill Spain | Consortium of banks in Spain
Description of terms of credit agreement
Interest rate (as a percent)				6.50%	6.50%	6.50%	6.50%
Number of banks involved in revolving credit facility | item				3
Maximum borrowing capacity				$ 3,273,000		€ 2,770,000		€ 5,640,000
Revolving credit facility | Hill Spain | Consortium of banks in Spain | Minimum
Description of terms of credit agreement
Interest rate (as a percent)				1.85%	1.85%	1.85%	1.85%
Term of debt				36 months
Revolving credit facility | Hill Spain | Consortium of banks in Spain | Maximum
Description of terms of credit agreement
Interest rate (as a percent)				3.50%	3.50%	3.50%	3.50%
Term of debt				60 months

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Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Summary of additional cash flow information
Interest and related financing fees paid	$ 5,831	$ 8,915
Income taxes paid	7,713	9,435
Increase in Other Current Liabilities and Decrease in APIC Related to ESA Put Options	(777)	2,670
Increase in APIC from the Issuance of Shares of Common Stock from Cashless Exercise of Stock Options	$ 0	$ 729

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Earnings per Share (Details) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		9 Months Ended
	May 10, 2017	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate fair value of options granted (in dollars)				$ 1,400
Total number of shares excluded from diluted earnings per common share		1,541	6,480	2,079	6,478
Employee Stock Option | Interim Chief Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate fair value of options granted (in dollars)	$ 80
Options granted (in shares)		50		81

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Share-Based Compensation (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		9 Months Ended
	May 10, 2017	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate fair value of options granted (in dollars)				$ 1,400
Average expected life				5 years
Volatility (as a percent)				48.30%
Weighted average risk-free interest rate (as a percent)				2.08%
Compensation expense		$ 1,048	$ 581	$ 2,261	$ 1,838
Exercise price of $3.96
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding (in shares)		5,526,707		5,526,707
Weighted average exercise price of outstanding options (in dollars per share)		$ 4.23		$ 4.23
Exercise price of $
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average exercise price of options granted (in dollars per share)				$ 4.98
Weighted-average contractual life				7 years
Weighted average exercise price of $5.55
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options lapsed (in shares)				1,541,064
Weighted average exercise price of options lapsed (in dollars per share)				$ 5.41
Weighted average exercise price of $4.40
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options forfeited (in shares)				221,585
Weighted average exercise price of options forfeited (in dollars per share)				$ 4.41
2008 Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares purchased (in shares)		5,336		36,007
Aggregate purchase price		$ 24		$ 138
Employee Stock Option | Interim Chief Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted (in shares)		50,000		81,000
Aggregate fair value of options granted (in dollars)	$ 80
Compensation expense		$ 221		$ 386
Options vesting over a five-year period | Exercise price of $
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted (in shares)				715,853
Award vesting period				5 years

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Stockholders' Equity (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Increase (decrease) in stockholders' equity
Stockholders’ equity, December 31, 2016			$ 76,352
Net earnings (loss)	$ (4,239)	$ (11,450)	37,424	$ (5,855)
Other comprehensive earnings			(273)
Comprehensive (loss) earnings			37,151
Additional paid in capital			5,537
Stockholders’ equity, September 30, 2017	119,040		119,040
Non-controlling Interests
Increase (decrease) in stockholders' equity
Stockholders’ equity, December 31, 2016			1,994
Net earnings (loss)			175
Other comprehensive earnings			263
Comprehensive (loss) earnings			438
Additional paid in capital			0
Stockholders’ equity, September 30, 2017	2,432		2,432
Hill International, Inc. Stockholders
Increase (decrease) in stockholders' equity
Stockholders’ equity, December 31, 2016			74,358
Net earnings (loss)			37,249
Other comprehensive earnings			(536)
Comprehensive (loss) earnings			36,713
Additional paid in capital			5,537
Stockholders’ equity, September 30, 2017	$ 116,608		$ 116,608

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Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Income Tax Contingency [Line Items]
Effective income tax rate (as a percent)	40.10%	(27.00%)	39.00%	272.70%
Components of (loss) earnings before income taxes
(Loss) earnings before income taxes	$ (2,663)	$ (8,592)	$ (943)	$ 2,025
Income tax (benefit) expense, net	(1,068)	2,318	(368)	5,523
Other liabilities
Components of (loss) earnings before income taxes
Reserve for uncertain tax positions	2,319		2,319		$ 6,735
U.S.
Components of (loss) earnings before income taxes
(Loss) earnings before income taxes	(4,505)	(8,050)	(8,613)	(21,512)
Income tax (benefit) expense, net	(1,892)	0	(3,618)	0
Foreign
Components of (loss) earnings before income taxes
(Loss) earnings before income taxes	1,842	(542)	7,670	23,537
Income tax (benefit) expense, net	$ 824	$ 2,318	$ 3,250	$ 5,523

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Segment and Related Information - Revenue by Geographic Region (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2017 USD ($) segment	Sep. 30, 2016 USD ($)
Consulting Fee Revenue and Total Revenue by Geographic Region:
Number of reporting units | segment			1
Revenues	$ 123,192	$ 121,222	$ 364,748	$ 390,830
Revenues (as a percent)	100.00%	100.00%	100.00%	100.00%
U.S./Canada
Consulting Fee Revenue and Total Revenue by Geographic Region:
Revenues	$ 59,640	$ 50,675	$ 169,229	$ 148,194
Revenues (as a percent)	48.40%	41.80%	46.40%	37.80%
Latin America
Consulting Fee Revenue and Total Revenue by Geographic Region:
Revenues	$ 2,889	$ 4,759	$ 9,189	$ 15,154
Revenues (as a percent)	2.30%	3.90%	2.50%	3.90%
Europe
Consulting Fee Revenue and Total Revenue by Geographic Region:
Revenues	$ 10,811	$ 10,198	$ 30,931	$ 29,926
Revenues (as a percent)	8.80%	8.40%	8.50%	7.70%
Middle East
Consulting Fee Revenue and Total Revenue by Geographic Region:
Revenues	$ 42,248	$ 45,580	$ 131,211	$ 166,887
Revenues (as a percent)	34.30%	37.60%	36.00%	42.70%
Africa
Consulting Fee Revenue and Total Revenue by Geographic Region:
Revenues	$ 6,034	$ 5,946	$ 17,651	$ 18,659
Revenues (as a percent)	4.90%	4.90%	4.80%	4.80%
Asia/Pacific
Consulting Fee Revenue and Total Revenue by Geographic Region:
Revenues	$ 1,570	$ 4,064	$ 6,537	$ 12,010
Revenues (as a percent)	1.30%	3.40%	1.80%	3.10%
United Arab Emirates
Consulting Fee Revenue and Total Revenue by Geographic Region:
Revenues	$ 17,431		$ 64,221
Percentage of Revenue	14.40%		16.40%

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Segment and Related Information - Operating Profit (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Operating Profit (Loss)
Operating profit (loss)	$ (1,628)	$ (7,986)	$ 1,123	$ 3,835
Operating segment | U.S.
Operating Profit (Loss)
Operating profit (loss)	6,350	5,562	17,730	13,710
Operating segment | Latin America
Operating Profit (Loss)
Operating profit (loss)	88	(668)	(2,431)	1,520
Operating segment | Europe
Operating Profit (Loss)
Operating profit (loss)	(57)	409	3,763	(818)
Operating segment | Middle East
Operating Profit (Loss)
Operating profit (loss)	4,042	(3,296)	15,402	15,326
Operating segment | Africa
Operating Profit (Loss)
Operating profit (loss)	180	232	(533)	(878)
Operating segment | Asia/Pacific
Operating Profit (Loss)
Operating profit (loss)	(658)	94	(1,106)	909
Corporate
Operating Profit (Loss)
Operating profit (loss)	$ (11,573)	$ (10,319)	$ (31,702)	$ (25,934)

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Segment and Related Information - Depreciation and Amortization Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Depreciation and Amortization Expense
Depreciation and amortization expense	$ 1,756	$ 1,480	$ 5,011	$ 5,689
Operating segment | Project Management
Depreciation and Amortization Expense
Depreciation and amortization expense	1,422	1,263	4,397	5,237
Corporate
Depreciation and Amortization Expense
Depreciation and amortization expense	$ 334	$ 217	$ 614	$ 452

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Segment and Related Information - Revenue by Client Type (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Consulting Fee Revenue and Total Revenue By Client Type:
Revenues	$ 123,192	$ 121,222	$ 364,748	$ 390,830
Revenues (as a percent)	100.00%	100.00%	100.00%	100.00%
U.S. federal government
Consulting Fee Revenue and Total Revenue By Client Type:
Revenues	$ 3,729	$ 3,055	$ 10,965	$ 8,716
Revenues (as a percent)	3.00%	2.50%	3.00%	2.20%
U.S. state, regional and local governments
Consulting Fee Revenue and Total Revenue By Client Type:
Revenues	$ 43,177	$ 40,182	$ 119,132	$ 113,302
Revenues (as a percent)	35.00%	33.10%	32.70%	29.00%
Foreign governments
Consulting Fee Revenue and Total Revenue By Client Type:
Revenues	$ 33,524	$ 34,000	$ 105,546	$ 129,045
Revenues (as a percent)	27.20%	28.00%	28.90%	33.00%
Private sector
Consulting Fee Revenue and Total Revenue By Client Type:
Revenues	$ 42,762	$ 43,985	$ 129,105	$ 139,767
Revenues (as a percent)	34.80%	36.40%	35.40%	35.80%

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Segment and Related Information - Property, Plant and Equipment, Net by Geographic Location (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Property, Plant and Equipment, Net by Geographic Location:
Property, plant and equipment, net	$ 13,940	$ 16,389
U.S./Canada
Property, Plant and Equipment, Net by Geographic Location:
Property, plant and equipment, net	10,983	12,626
Latin America
Property, Plant and Equipment, Net by Geographic Location:
Property, plant and equipment, net	598	881
Europe
Property, Plant and Equipment, Net by Geographic Location:
Property, plant and equipment, net	882	218
Middle East
Property, Plant and Equipment, Net by Geographic Location:
Property, plant and equipment, net	1,250	1,645
North Africa
Property, Plant and Equipment, Net by Geographic Location:
Property, plant and equipment, net	113	169
Asia/Pacific
Property, Plant and Equipment, Net by Geographic Location:
Property, plant and equipment, net	$ 114	$ 850

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Commitments and Contingencies - General Litigation and Acquisition-Related Contingencies (Details) R$ in Thousands, $ in Thousands		9 Months Ended	12 Months Ended
	Oct. 05, 2015 USD ($)	Sep. 30, 2017 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2013 USD ($)	Jun. 17, 2016 BRL (R$)
ESA
Acquisition-Related Contingencies
Value of shares purchased on exercise of Put Options		$ 2,734			R$ 8,656
M.A. Angeliades, Inc. 2013 Complaint
Acquisition-Related Contingencies
Possible loss contingency				$ 8,771
Settlement amount	$ 2,596
Interest amount	1,056
Interest accrued	$ 448
Interest amount charged to expense			$ 608
Hill Spain | ESA
Acquisition-Related Contingencies
Ownership interest		91.00%
Multiple of earnings for determining purchase price of minority shares		7
Call option purchase price premium if exercised by Hill Spain (as a percent)		5.00%
Call/put option exercise period after audited financial statements		3 months

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Commitments and Contingencies- Other (Details) $ in Thousands		9 Months Ended	12 Months Ended
	Jul. 13, 2015 USD ($) employee	Sep. 30, 2017 USD ($)	Dec. 31, 2016 USD ($)
Grant received	$ 1,000
Minimum capital expenditure required to be made to receive grant	$ 6,425
Minimum term of lease	7 years
Minimum persons to be employed | employee	359
Term of lease	12 years
Tenant improvement allowance from landlord		$ 3,894
Amortization period for tenant improvements		12 years
Other liabilities
Potential tax liability related to certain foreign subsidiaries		$ 2,132
Tenant improvement allowance from landlord			$ 3,894
Amortization period for tenant improvements			12 years
Other liabilities | Discontinued Operations
Potential tax liability related to certain foreign subsidiaries		$ 444

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Subsequent Events - Finalization of ESA purchase (Details) - Subsequent event - ESA R$ in Thousands, $ in Thousands	1 Months Ended				12 Months Ended
	Mar. 31, 2018 USD ($)	Mar. 31, 2018 BRL (R$)	Feb. 28, 2018 USD ($)	Feb. 28, 2018 BRL (R$)	Dec. 31, 2017 USD ($)	Dec. 31, 2017 BRL (R$)
Acquisitions
Reduced total payment to acquire business			$ 1,922	R$ 6,084
Adjustment to additional paid-in capital	$ 953	R$ 3,146			$ 1,365	R$ 4,475

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Subsequent Events - Performance Guarantee (Details) $ in Thousands	Feb. 08, 2018 USD ($)
Subsequent event | Forecast
Subsequent events
Amount of performance guaranteed	$ 7,927