CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Operating activities:
Net loss	$ (3,988)	$ (16,848)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Net loss from discontinued operations	1,750	5,223
Deferred income tax expense (benefit)	202	(1,884)
Depreciation and amortization on plant, property and equipment and intangible assets	221	335
Amortization of deferred financing costs	56	35
Loss on disposals of property, plant and equipment	117	30
Gain on sale of business and net assets held for sale		(239)
Bad debt expense	(67)	2
Stock-based compensation	194	721
Payable-in-kind interest	642	78
Changes in operating assets and liabilities, net of business sold:
Accounts receivable	7,311	(6,314)
Costs and estimated earnings in excess of billings	1,641	6,341
Other current assets	1,765	4,932
Other assets	(194)	505
Accounts payable	(1,092)	(1,774)
Accrued and other liabilities	268	1,074
Billings in excess of costs and estimated earnings	(1,755)	1,009
Net cash provided by (used in) operating activities, continuing operations	7,071	(6,774)
Net cash provided by (used in) operating activities, discontinued operations	(4,864)	13,144
Net cash provided by (used in) operating activities	2,207	6,370
Investing activities:
Proceeds from sale of business, net of restricted cash and transaction costs		20,206
Purchase of property, plant and equipment	(54)	(11)
Net cash provided by (used in) investing activities, continuing operations	(54)	20,195
Net cash provided by (used in) investing activities, discontinued operations	319	(276)
Net cash provided by (used in) investing activities	265	19,919
Financing activities:
Repurchase of stock-based awards for payment of statutory taxes due on stock-based compensation	(186)	(185)
Debt issuance costs		(57)
Dividends paid		(9)
Proceeds from long-term debt		83,100
Payments of long-term debt		(102,647)
Net cash provided by (used in) financing activities, continuing operations	(186)	(19,798)
Net cash provided by (used in) financing activities, discontinued operations	0	0
Net cash provided by (used in) financing activities	(186)	(19,798)
Effect of exchange rate change on cash, continuing operations	0	(7)
Effect of exchange rate change on cash, discontinued operations		78
Effect of exchange rate change on cash		71
Net change in cash, cash equivalents and restricted cash	2,286	6,562
Cash, cash equivalents and restricted cash, beginning of period	16,156	11,570
Cash, cash equivalents and restricted cash, end of period	18,442	18,132
Supplemental Disclosures:
Cash paid for interest	$ 673	1,863
Cash paid for income taxes, net of refunds		$ 86