CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) [Abstract]
Revenue	$ 12,922	$ 20,031	$ 44,967	$ 65,683
Cost of revenue	9,603	15,358	33,971	50,407
Gross profit	3,319	4,673	10,996	15,276
Operating expenses:
Selling, general and administrative	2,878	3,465	12,548	12,231
Research and development	137	130	526	526
Restructuring charges	185	740	195	742
Loss on impairment	0	0	4,302	5,464
Depreciation	76	107	254	300
Amortization of intangible assets	414	596	1,528	1,804
Total operating expenses	3,690	5,038	19,353	21,067
Operating loss	(371)	(365)	(8,357)	(5,791)
Interest expense, net	(128)	(288)	(556)	(812)
Gain (loss) on derivative instruments, net	31	(61)	35	(69)
Other (expense) income, net	(77)	59	(24)	62
Loss before income taxes	(545)	(655)	(8,902)	(6,610)
Provision for (benefit from) income taxes	116	568	166	(874)
Net loss	$ (661)	$ (1,223)	$ (9,068)	$ (5,736)
Net loss per common share - basic and diluted (in dollars per share)	$ (0.03)	$ (0.06)	$ (0.44)	$ (0.29)
Weighted average shares outstanding used to compute net loss per share - basic and diluted (in shares)	20,563,452	20,007,469	20,438,571	20,021,829