Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities:
Net income	$ 7,536	$ 1,680
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	4,668	4,906
Unrealized foreign currency loss	(5)	(1,628)
Fair value adjustment to earnout liabilities	0	500
Earnout payments	(1,007)	0
Gain on sale of property and equipment	(7)	(67)
Debt discount amortization	187	203
Share-based compensation expense	1,792	1,581
Bad debt expense	441	110
Inventory reserve expense	110	209
Changes in operating assets and liabilities, net of divestitures:
Accounts receivable	(18,582)	(2,638)
Costs and estimated earnings in excess of billings on uncompleted contracts	597	(1,319)
Inventories	(3,393)	(409)
Prepaid expense and other current assets	637	3,642
Deferred charges and other assets	2,472	(496)
Accounts payable and accrued expenses	16,538	(2,784)
Billings in excess of costs and estimated earnings on uncompleted contracts	7,846	(1,490)
Income taxes payable	1,266	(508)
Other liabilities	(2,405)	(639)
Net cash provided by operating activities	18,691	4,109
Cash flows from investing activities:
Acquisitions of property and equipment	(1,432)	(997)
Net proceeds from sale of assets	7	534
Net cash paid for acquisition	(37,372)	0
Net cash used in investing activities	(38,797)	(463)
Cash flows from financing activities:
Borrowings on revolving credit lines	47,600	18,200
Repayments on revolving credit lines	(24,900)	(22,300)
Borrowings on long-term debt	11,000	0
Repayments of long-term debt	(1,469)	(1,250)
Deferred financing fees paid	(130)	0
Payments on finance leases and financing liability	(293)	(271)
Additional earnout payments	0	(823)
Proceeds from employee stock purchase plan and exercise of stock options	71	128
Noncontrolling interest distributions	(900)	(107)
Common stock repurchase	(4,324)	0
Net cash (used in) provided by financing activities	26,655	(6,423)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(3,091)	(514)
Net increase (decrease) in cash, cash equivalents and restricted cash	3,458	(3,291)
Cash, cash equivalents and restricted cash at beginning of period	31,995	37,811
Cash, cash equivalents and restricted cash at end of period	35,453	34,520
Cash paid (received) during the period for:
Interest	1,821	1,122
Income taxes	$ 970	$ (3,006)