Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Cash flows from operating activities:
Net (loss) income	$ (8,053)	$ 8,560
Adjustment to reconcile net (loss) income to net cash provided by (used in) operating activities:
Depreciation and amortization	10,097	12,105
Unrealized foreign currency loss (gain)	763	(2,030)
Net gain on interest rate swaps	(130)	(186)
Fair value adjustments to earnout liabilities	(330)	(5,689)
Earnout payments	(2,862)	(7,797)
(Gain) / loss on sale of property and equipment	(214)	87
Loss on divestitures	3,970
Debt discount amortization	862	753
Share-based compensation expense	2,342	1,179
Bad debt expense	1,225	2,184
Inventory reserve expense	554	829
Deferred income tax expense	(1,079)	(164)
Changes in operating assets and liabilities, net of divestitures:
Accounts receivable	(20,056)	12,718
Costs and estimated earnings in excess of billings on uncompleted contracts	(4,446)	(183)
Inventories	(3,161)	(606)
Prepaid expense and other current assets	(1,584)	1,720
Deferred charges and other assets	(736)	1,414
Accounts payable and accrued expenses	19,183	(9,072)
Billings in excess of costs and estimated earnings on uncompleted contracts	8,355	(14,526)
Income taxes payable	(23)	(857)
Other liabilities	(991)	(1,528)
Net cash provided by (used in) operating activities	3,686	(1,089)
Cash flows from investing activities:
Acquisitions of property and equipment	(1,897)	(806)
Net cash proceeds from divestitures	33,064
Proceeds from sale of property and equipment	6,311	367
Net cash provided by (used in) investing activities	37,478	(439)
Cash flows from financing activities:
Net (repayments) borrowings on revolving credit lines	(3,754)	2,197
Repayments of debt	(34,256)	(9,161)
Deferred financing fees paid		(171)
Earnout payments		(7,396)
Proceeds from lease financing transaction	800
Payments on capital leases and sale-leaseback transactions	(508)	(542)
Proceeds from employee stock purchase plan, exercise of stock options, and dividend reinvestment plan	82	1,372
Dividends paid to common shareholders	(44)	(7,787)
Net cash used in financing activities	(37,680)	(21,488)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(1,433)	881
Net increase (decrease) in cash, cash equivalents and restricted cash	2,051	(22,135)
Cash, cash equivalents and restricted cash at beginning of period	30,659	48,006
Cash, cash equivalents and restricted cash at end of period	32,710	25,871
Cash paid during the period for:
Interest	4,288	4,176
Income taxes	$ 8,567	$ 3,328