Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Income Statement [Abstract]
Revenue	$ 106,144	$ 149,413	$ 234,425	$ 288,886
Cost of revenue	90,247	126,454	200,914	244,649
Gross profit	15,897	22,959	33,511	44,237
General and administrative expenses	14,180	15,402	31,464	31,529
Sales and marketing expenses	1,857	1,906	3,696	3,895
Restructuring charges	855	182	855	1,301
Gain on change in fair value of contingent consideration, net	0	627	0	677
Operating income (loss)	(995)	6,096	(1,440)	8,189
Interest expense	607	1,679	1,585	3,277
Other income (expense)	(189)	102	(689)	88
Income (loss) before income tax expense	(1,791)	4,519	(3,714)	5,000
Income tax expense (benefit)	(1,185)	1,300	(1,814)	1,447
Net income (loss)	$ (606)	$ 3,219	$ (1,900)	$ 3,553
Basic weighted average shares outstanding (in shares)	17,144	16,747	17,113	16,710
Diluted weighted average shares outstanding (in shares)	17,207	16,780	17,162	16,741
Per common share data:
Basic earnings per share (in dollars per share)	$ (0.04)	$ 0.19	$ (0.11)	$ 0.21
Diluted earnings per share (in dollars per share)	$ (0.04)	$ 0.19	$ (0.11)	$ 0.21
Remaining performance obligations	$ 327,000		$ 327,000
Gain on sale of business	$ 0	$ 0	$ 1,064	$ 0