CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
CONSOLIDATED STATEMENTS OF OPERATIONS [Abstract]
Revenue	$ 12,275	$ 13,104
Cost of revenue	9,848	10,176
Gross profit	2,427	2,928
Operating expenses:
Selling, general and administrative	4,507	3,734
Research and development	142	157
Restructuring charges	0	808
Depreciation	72	76
Amortization of intangible assets	260	340
Total operating expenses	4,981	5,115
Operating loss	(2,554)	(2,187)
Interest expense, net	(148)	(54)
Change in fair value of derivative instruments, net	(581)	0
Other income, net	16	1
Loss before income taxes	(3,267)	(2,240)
Provision for (benefit from) income taxes	167	(35)
Net loss	$ (3,434)	$ (2,205)
Net loss per common share - basic (in dollars per share)	$ (0.16)	$ (0.11)
Net loss per common share - diluted (in dollars per share)	$ (0.16)	$ (0.11)
Weighted-average shares outstanding for basic earnings per share (in shares)	20,980,046	20,628,669
Weighted average shares outstanding used to compute net loss per share - diluted (in shares)	20,980,046	20,628,669