Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Income Statement
Contract revenues	$ 174,931	$ 153,309
Costs of contract revenues	162,115	137,854
Gross profit	12,816	15,455
Selling, general and administrative expenses	16,170	14,630
Amortization of intangible assets	310	380
Gain on disposal of assets, net	(809)	(1,610)
Operating (loss) income	(2,855)	2,055
Other (expense) income:
Other income	44	37
Interest income	19	26
Interest expense	(740)	(1,040)
Other expense, net	(677)	(977)
(Loss) income before income taxes	(3,532)	1,078
Income tax expense	1,324	150
Net (loss) income	$ (4,856)	$ 928
Basic (loss) earnings per share (in dollars per share)	$ (0.16)	$ 0.03
Diluted (loss) earnings per share (in dollars per share)	$ (0.16)	$ 0.03
Shares used to compute (loss) income per share:
Basic (in shares)	30,971,379	30,465,475
Diluted (in shares)	30,971,379	30,499,978