Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Income Statement
Contract revenues	$ 182,534	$ 194,575	$ 341,708	$ 369,506
Costs of contract revenues	168,748	180,244	322,082	342,359
Gross profit	13,786	14,331	19,626	27,147
Selling, general and administrative expenses	18,119	17,233	35,136	33,403
Amortization of intangible assets	162	310	324	620
Gain on disposal of assets, net	(6,534)	(364)	(7,230)	(1,173)
Operating income (loss)	2,039	(2,848)	(8,604)	(5,703)
Other (expense) income:
Other income	250	55	543	99
Interest income	41	16	69	35
Interest expense	(2,627)	(958)	(4,260)	(1,698)
Other expense, net	(2,336)	(887)	(3,648)	(1,564)
Loss before income taxes	(297)	(3,735)	(12,252)	(7,267)
Income tax (benefit) expense	(42)	(681)	598	643
Net loss	$ (255)	$ (3,054)	$ (12,850)	$ (7,910)
Basic loss per share (in dollars per share)	$ (0.01)	$ (0.10)	$ (0.40)	$ (0.26)
Diluted loss per share (in dollars per share)	$ (0.01)	$ (0.10)	$ (0.40)	$ (0.26)
Shares used to compute loss per share:
Basic (in shares)	32,290,392	30,949,298	32,235,842	30,960,277
Diluted (in shares)	32,290,392	30,949,298	32,235,842	30,960,277