Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Revenue	$ 116,120	$ 121,019	$ 230,942	$ 234,363
Cost of revenue	94,800	102,329	191,282	198,444
Gross profit	21,320	18,690	39,660	35,919
Operating expenses:
Selling, general and administrative	18,690	17,232	37,424	34,377
Change in fair value of contingent consideration	765	0	765	0
Amortization of intangibles	399	104	798	208
Total operating expenses	19,854	17,336	38,987	34,585
Operating income	1,466	1,354	673	1,334
Other (expenses) income:
Interest expense, net	(478)	(452)	(964)	(1,716)
Gain on disposition of property and equipment	147	94	111	8
Loss on early termination of operating lease	(32)	0	(849)	0
Loss on early debt extinguishment	0	0	0	(1,961)
Gain on change in fair value of warrant liability	0	0	0	14
Total other expenses	(363)	(358)	(1,702)	(3,655)
Income (loss) before income taxes	1,103	996	(1,029)	(2,321)
Income tax provision (benefit)	237	264	(379)	(771)
Net income (loss)	$ 866	$ 732	$ (650)	$ (1,550)
Earnings (loss) per common share:
Basic (in usd per share)	$ 0.08	$ 0.07	$ (0.06)	$ (0.16)
Diluted (in usd per share)	$ 0.08	$ 0.07	$ (0.06)	$ (0.16)
Weighted average number of shares outstanding:
Basic (in shares)	10,423,068	10,251,696	10,421,886	9,737,801
Diluted (in shares)	10,567,304	10,469,028	10,421,886	9,737,801