CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash flows from operating activities:
Net loss	$ (15,151)	$ (9,824)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
(Income) loss from discontinued operations	1,853	(35,120)
Depreciation and amortization	5,688	7,445
Debt covenant suspension and extinguishment charges	63	35,869
Stock-based compensation	1,293	1,612
Amortization of debt issuance costs	152	161
Non-cash interest expense	644	0
Provision (benefit) for deferred income taxes	175	(36)
(Gain) loss on disposal of property and equipment	(874)	1,586
Loss on sale of subsidiary	123	0
Provision for (recovery of) bad debts	(22)	91
Changes in operating assets and liabilities:
Accounts receivable, net	10,400	33,890
Contract cost and recognized income not yet billed	(5,498)	10,522
Prepaid expenses and other current assets	(3,222)	1,471
Accounts payable and accrued liabilities	3,868	(9,421)
Accrued income taxes	(134)	(139)
Contract billings in excess of cost and recognized income	1,140	(3,698)
Other assets and liabilities, net	1,866	263
Cash provided by operating activities of continuing operations	2,364	34,672
Cash used in operating activities of discontinued operations	(3,782)	(37,673)
Cash used in operating activities	(1,418)	(3,001)
Cash flows from investing activities:
Proceeds from sales of property, plant and equipment	1,132	430
Proceeds from sale of subsidiaries	5,775	85,741
Purchases of property, plant and equipment	(492)	(1,296)
Deposit of restricted cash	(7,297)	0
Cash provided by (used in) investing activities of continuing operations	(882)	84,875
Cash used in investing activities of discontinued operations	0	(702)
Cash provided by (used in) investing activities	(882)	84,173
Cash flows from financing activities:
Proceeds from revolver and notes payable	287	30,718
Payments on capital leases	(243)	(218)
Payments of revolver and notes payable	0	(30,279)
Payments on term loan facility	(3,128)	(65,537)
Cost of debt issuance	(2,306)	(527)
Payments to reacquire common stock	(43)	(162)
Cash used in financing activities of continuing operations	(5,433)	(66,005)
Cash provided by financing activities of discontinued operations	0	1,382
Cash used in financing activities	(5,433)	(64,623)
Effect of exchange rate changes on cash and cash equivalents	587	(834)
Net increase (decrease) in cash and cash equivalents	(7,146)	15,715
Cash and cash equivalents of continuing operations at beginning of period	58,832	22,565
Cash and cash equivalents of discontinued operations at beginning of period	0	708
Cash and cash equivalents at beginning of period	58,832	23,273
Cash and cash equivalents at end of period	51,686	38,988
Cash and cash equivalents of discontinued operations at end of period	0	627
Cash and cash equivalents of continuing operations at end of period	51,686	38,361
Supplemental disclosures of cash flow information:
Cash paid for interest (including discontinued operations)	1,802	8,324
Cash paid for income taxes (including discontinued operations)	$ 156	$ 813