Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Income Statement [Abstract]
Revenue	$ 115,594	$ 139,005	$ 350,019	$ 427,891
Cost of revenue	94,929	117,338	295,843	361,987
Gross profit	20,665	21,667	54,176	65,904
General and administrative expenses	17,642	15,240	49,106	46,769
Sales and marketing expenses	1,685	1,830	5,381	5,725
Restructuring charges	0	104	855	1,405
Gain on change in fair value of contingent consideration, net	0	0	0	677
Gain on sale of business	0	0	1,064	0
Operating income (loss)	1,338	4,493	(102)	12,682
Interest expense	440	1,575	2,025	4,852
Other income (expense)	196	184	(493)	272
Income (loss) before income tax expense (benefit)	1,094	3,102	(2,620)	8,102
Income tax expense (benefit)	573	961	(1,241)	2,408
Net income (loss)	$ 521	$ 2,141	$ (1,379)	$ 5,694
Basic weighted average shares outstanding (in shares)	17,094	16,901	17,082	16,773
Diluted weighted average shares outstanding (in shares)	17,507	16,939	17,252	16,807
Per common share data:
Basic earnings per share (in dollars per share)	$ 0.03	$ 0.13	$ (0.08)	$ 0.34
Diluted earnings per share (in dollars per share)	$ 0.03	$ 0.13	$ (0.08)	$ 0.34
Remaining performance obligations	$ 286,400		$ 286,400