Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash flows from operating activities:
Net income	$ 2,093	$ 2,469
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	3,512	2,885
Unrealized foreign currency gain (loss)	149	(92)
Gain (loss) on sale of property and equipment	115	(17)
Debt discount amortization	120	91
Share-based compensation expense	1,670	806
Bad debt expense	(384)	83
Inventory reserve expense	499	175
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	(5,355)	(22,786)
Costs and estimated earnings in excess of billings on uncompleted contracts	7,858	(8,418)
Inventories	(4,447)	(2,191)
Prepaid expense and other current assets	1,211	572
Deferred charges and other assets	(221)	(325)
Accounts payable	(2,442)	(3,358)
Accrued expenses	1,220	2,302
Billings in excess of costs and estimated earnings on uncompleted contracts	1,262	16,838
Income taxes payable	(387)	(17)
Other liabilities	(5,249)	(1,038)
Net cash provided by (used in) operating activities	1,224	(12,021)
Cash flows from investing activities:
Acquisitions of property and equipment	(3,116)	(2,513)
Net cash received (paid) for acquisitions	422	(24,142)
Net cash used in investing activities	(2,694)	(26,655)
Cash flows from financing activities:
Borrowings on revolving credit lines	13,400	54,800
Repayments on revolving credit lines	(12,600)	(20,000)
Repayments of long-term debt	(2,553)	(826)
Payments on finance leases and financing liability	(229)	(225)
Deferred consideration paid for acquisitions	(1,000)	0
Proceeds from employee stock purchase plan and exercise of stock options	258	610
Noncontrolling interest distributions	(804)	0
Common stock repurchased	(3,000)	0
Net cash (used in) provided by financing activities	(6,528)	34,359
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(422)	(64)
Net decrease in cash, cash equivalents and restricted cash	(8,420)	(4,381)
Cash, cash equivalents and restricted cash at beginning of period	55,448	46,585
Cash, cash equivalents and restricted cash at end of period	47,028	42,204
Cash paid during the period for:
Interest	3,269	2,338
Income taxes	$ 975	$ 1,290