Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Income Statement [Abstract]
Revenue	$ 114,551	$ 128,281
Cost of revenue	93,110	110,667
Gross profit	21,441	17,614
General and administrative expenses	14,836	17,284
Sales and marketing expenses	2,468	1,839
Restructuring charges	699	0
Gain (Loss) On Change In Fair Value Of Contingent Consideration, Net	269	0
Gain on sale of business	0	1,064
Operating income (loss)	3,169	(445)
Interest expense	181	978
Other expense	823	500
Income (loss) before income tax expense (benefit)	2,165	(1,923)
Income tax expense (benefit)	441	(629)
Net income (loss)	$ 1,724	$ (1,294)
Basic weighted average shares outstanding (in shares)	17,325	17,082
Diluted weighted average shares outstanding (in shares)	18,153	17,117
Per common share data:
Basic earnings per share (in dollars per share)	$ 0.10	$ (0.08)
Diluted earnings per share (in dollars per share)	$ 0.09	$ (0.08)