Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Cash flows from operating activities:
Net income	$ 13,027	$ 13,857
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and finance lease amortization	7,278	7,106
Amortization of intangible assets	2,016	2,016
Noncash operating lease expense	3,172	2,966
Deferred income taxes	453	227
Share-based compensation expense	2,692	2,674
Other, net	841	360
Changes in operating assets and liabilities:
Trade and other receivables	(11,829)	(23,653)
Contract assets, net	(6,433)	(3,311)
Inventories	3,293	3,497
Prepaid expenses and other assets	2,816	3,976
Accounts payable	552	(6,316)
Accrued and other liabilities	(5,005)	(4,722)
Operating lease liabilities	(2,601)	(2,492)
Net cash provided by (used in) operating activities	10,272	(3,815)
Cash flows from investing activities:
Purchases of property and equipment	(7,165)	(10,634)
Other investing activities	21	61
Net cash used in investing activities	(7,144)	(10,573)
Cash flows from financing activities:
Borrowings on line of credit	89,184	105,324
Repayments on line of credit	(83,217)	(83,886)
Payments on other debt	(1,500)	0
Payments on finance lease liabilities	(803)	(712)
Tax withholdings related to net share settlements of equity awards	(2,313)	(1,449)
Repurchase of common stock	(7,455)	(4,429)
Net cash provided by (used in) financing activities	(6,104)	14,848
Change in cash and cash equivalents	(2,976)	460
Cash and cash equivalents, beginning of period	5,007	4,068
Cash and cash equivalents, end of period	2,031	4,528
Noncash investing and financing activities:
Accrued property and equipment purchases	3,009	466
Accrued payment for repurchase of common stock	322	0
Right-of-use assets obtained in exchange for finance lease liabilities	1,088	233
Right-of-use assets obtained in exchange for operating lease liabilities	$ 3,583	$ 303