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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND PRACTICES (Tables)
 12 Months Ended
Dec. 31, 2019
Accounting Policies [Abstract]  
Estimated Useful Lives of Assets
Depreciation and amortization of assets are computed by the straight-line method over the following estimated useful lives of the assets:
 
Classification
 
Useful Life
Buildings
 
20-40 years
Enterprise Resource Planning (“ERP”) System
 
15 years
Leasehold improvements
 
2-15 years
Machinery and equipment
 
2-12 years
Furniture and fixtures
 
2-10 years
Computers and computer software
 
2-5 years
Automobiles
 
2-5 years
Summary of Goodwill
A summary of goodwill is as follows (in thousands):
 
 
Twelve Months Ended
December 31, 2019
 
IHT
 
MS
 
Quest Integrity
 
Total
Balance at beginning of period
$
192,608

 
$
55,627

 
$
33,415

 
$
281,650

Foreign currency adjustments
608

 
(218
)
 
(34
)
 
356

Balance at end of period
$
193,216

 
$
55,409

 
$
33,381

 
$
282,006

 
 
Twelve Months Ended
December 31, 2018
 
IHT
 
MS
 
Quest Integrity
 
Total
Balance at beginning of year
$
194,211

 
$
56,600

 
$
33,993

 
$
284,804

Foreign currency adjustments
(1,603
)
 
(712
)
 
(578
)
 
(2,893
)
Disposal
—

 
(261
)
 
—

 
(261
)
Balance at end of year
$
192,608

 
$
55,627

 
$
33,415

 
$
281,650
Amounts Used In Basic and Diluted Earnings (Loss) Per Share
Amounts used in basic and diluted loss per share, for all periods presented, are as follows (in thousands):
 
Twelve Months Ended
December 31,
 
2019
 
2018
 
2017
Weighted-average number of basic shares outstanding
30,310

 
30,031

 
29,849

Stock options, stock units and performance awards
—

 
—

 
—

Convertible senior notes
—

 
—

 
—

Total shares and dilutive securities
30,310

 
30,031

 
29,849
Non-Cash Investing and Financing Activities
Non-cash investing and financing activities. Non-cash investing and financing activities are excluded from the consolidated statements of cash flows and are as follows (in thousands):
 
Twelve Months Ended
December 31,
 
2019
 
2018
 
2017
Assets acquired under finance lease
$
326

 
$
5,302

 
$
—
Revisions to Prior Period Consolidated Financial Statements
The table below provides a summary of the financial statement line items which were impacted by these error corrections (in thousands, except per share data):
 
 
December 31, 2017
 
 
As Previously Reported
 
Adjustments
 
As Revised
Effect on consolidated balance sheet
 
 
 
 
 
 
Liabilities and Equity
 
 
 
 
 
 
Deferred income taxes
 
$
38,100

 
$
(19,706
)
 
$
18,394

Total Liabilities
 
$
598,367

 
$
(19,706
)
 
$
578,661

Retained earnings
 
$
115,780

 
$
19,706

 
$
135,486

Total Equity
 
$
457,468

 
$
19,706

 
$
477,174

 
 
 
 
 
 
 
 
 
Twelve Months Ended December 31, 2017
 
 
As Previously Reported
 
Adjustments
 
As Revised
Effect on consolidated statement of operations
 
 
 
 
 
 
Benefit for income taxes
 
$
(33,372
)
 
$
(19,706
)
 
$
(53,078
)
Loss from continuing operations
 
$
(104,161
)
 
$
19,706

 
$
(84,455
)
Net loss
 
$
(104,161
)
 
$
19,706

 
$
(84,455
)
 
 
 
 
 
 
 
Basic loss per common share:
 
 
 
 
 
 
Continuing operations
 
$
(3.49
)
 
0.66

 
$
(2.83
)
Net loss
 
$
(3.49
)
 
0.66

 
$
(2.83
)
 
 
 
 
 
 
 
Diluted loss per common share:
 
 
 
 
 
 
Continuing operations
 
$
(3.49
)
 
0.66

 
$
(2.83
)
Net loss
 
$
(3.49
)
 
0.66

 
$
(2.83
)
Effect of ASC 606 on Financial Statements
Amounts recognized at January 1, 2019 for operating leases were as follows (in thousands):
 
January 1, 2019
Operating lease right-of-use assets
$
66,555

Current portion of operating lease obligations
17,770

Operating lease obligations (non-current)
54,477