Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Cash flows from operating activities:
Net income	$ 6,460	$ 7,536
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Depreciation and amortization	5,650	4,668
Unrealized foreign currency gain	(863)	(5)
Fair value adjustment to earnout liabilities	296	0
Earnout payments	0	(1,007)
Gain (loss) on sale of property and equipment	78	(7)
Debt discount amortization	182	187
Share-based compensation expense	1,967	1,792
Bad debt (recoveries) expense	(23)	441
Inventory reserve expense	551	110
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	(39,181)	(18,582)
Costs and estimated earnings in excess of billings on uncompleted contracts	9,596	597
Inventories	(4,081)	(3,393)
Prepaid expense and other current assets	(8,319)	637
Deferred charges and other assets	(306)	2,472
Accounts payable and accrued expenses	3,902	16,538
Billings in excess of costs and estimated earnings on uncompleted contracts	26,005	7,846
Income taxes payable	601	1,266
Other liabilities	(3,126)	(2,405)
Net cash (used in) provided by operating activities	(611)	(18,691)
Cash flows from investing activities:
Acquisitions of property and equipment	(3,919)	(1,432)
Net proceeds from sale of assets	0	7
Net cash paid for acquisition	(24,142)	(37,372)
Net cash used in investing activities	(28,061)	(38,797)
Cash flows from financing activities:
Borrowings on revolving credit lines	65,300	47,600
Repayments on revolving credit lines	(33,400)	(24,900)
Borrowing on long-term debt	0	11,000
Repayments of long-term debt	(1,652)	(1,469)
Deferred financing fees paid	0	(130)
Deferred consideration paid for acquisitions	(857)	0
Payments on finance leases and financing liability	(450)	(293)
Proceeds from employee stock purchase plan and exercise of stock options	1,156	71
Noncontrolling interest distributions	(599)	(900)
Common stock repurchase	0	(4,324)
Net cash provided by financing activities	29,498	26,655
Effect of exchange rate changes on cash, cash equivalents and restricted cash	1,141	(3,091)
Net increase in cash, cash equivalents and restricted cash	1,967	3,458
Cash, cash equivalents and restricted cash at beginning of period	46,585	31,995
Cash, cash equivalents and restricted cash at end of period	48,552	35,453
Cash paid during the period for:
Interest	5,380	1,821
Income taxes	$ 7,605	$ 970