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 income	$ 3,055	$ 198
Adjustment to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	5,195	3,452
Unrealized foreign currency (gain) loss	(908)	2,700
Fair value adjustments to earnout liabilities	347	832
Loss on sale of property and equipment	3
Non-cash interest expense	270	161
Share-based compensation expense	575	463
Bad debt expense	117	45
Inventory reserve expense	236	129
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	12,996	(844)
Costs and estimated earnings in excess of billings on uncompleted contracts	(1,084)	(7,614)
Inventories	1,826	(531)
Prepaid expense and other current assets	(2,025)	234
Deferred charges and other assets	1,081	443
Accounts payable and accrued expenses	(11,996)	4,312
Billings in excess of costs and estimated earnings on uncompleted contracts	(47)	432
Income taxes payable	30	(140)
Other liabilities	(283)	(2,762)
Net cash provided by operating activities	9,388	1,510
Cash flows from investing activities:
Acquisitions of property and equipment	(212)	(119)
Proceeds from sale of property and equipment	282	100
Net provided by (used in) investing activities	70	(19)
Cash flows from financing activities:
Increase in restricted cash	(111)
Net (repayments) borrowings on revolving credit lines	(3,934)	2,589
Repayments of debt	(3,215)	(2,234)
Earnout payments	(1,100)	(550)
Proceeds from employee stock purchase plan and exercise of stock options	115	71
Dividends paid to common shareholders	(2,243)	(1,739)
Net cash used in financing activities	(10,488)	(1,863)
Effect of exchange rate changes on cash and cash equivalents	226
Net decrease in cash and cash equivalents	(804)	(372)
Cash and cash equivalents at beginning of period	34,194	19,362
Cash and cash equivalents at end of period	33,390	18,990
Cash paid (refunded) during the period for:
Interest	1,816	792
Income taxes	$ 861	$ (1,561)