Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Consolidated Statements of Operations
Contract revenues	$ 796,394	$ 711,778	$ 748,322
Costs of contract revenues	705,234	650,115	697,580
Gross profit	91,160	61,663	50,742
Selling, general and administrative expenses	82,537	69,431	62,503
Amortization of intangible assets		427	1,239
Gain on disposal of assets, net	(2,898)	(8,455)	(4,970)
Intangible asset impairment loss		6,890
Operating income (loss)	11,521	(6,630)	(8,030)
Other (expense) income:
Other income	357	641	199
Interest income	207	103	104
Interest expense	(13,381)	(11,659)	(4,456)
Other expense, net	(12,817)	(10,915)	(4,153)
Loss before income taxes	(1,296)	(17,545)	(12,183)
Income tax expense	348	330	429
Net loss	$ (1,644)	$ (17,875)	$ (12,612)
Basic loss per share (in dollars per share)	$ (0.05)	$ (0.55)	$ (0.4)
Diluted loss per share (in dollars per share)	$ (0.05)	$ (0.55)	$ (0.4)
Shares used to compute loss per share:
Basic (in shares)	34,783,256	32,346,992	31,402,328
Diluted (in shares)	34,783,256	32,346,992	31,402,328