Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 39	$ 83
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	628	687
ROU asset amortization	232	224
Stock-based compensation	179	217
Changes in operating assets and liabilities:
Accounts receivable	(588)	(664)
Prepaid expenses and other current assets	466	(984)
Income tax receivable	17	(24)
Accounts payable	(272)	525
Operating lease liabilities	(213)	(243)
Accrued expenses	(143)	(234)
Net cash provided by (used in) operating activities	345	(413)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of equipment and leasehold improvements	(10)	(7)
Cost of internally developed software	(33)	(43)
Other assets	7	(9)
Net cash used in investing activities	(36)	(59)
CASH FLOWS FROM FINANCING ACTIVITIES:
Payments of equipment financing	(174)	(171)
Net cash used in financing activities	(174)	(171)
Net increase (decrease) in cash	135	(643)
Cash, beginning of period	1,992	2,833
Cash, end of period	2,127	2,190
Supplemental Disclosures of Cash Flow Information:
Cash paid for interest	10	14
Cash paid for operating leases	269	269
Right-of-use assets acquired through operating leases	0	193
Purchases of equipment through accounts payable and accrued liabilities	$ 0	$ 7