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 loss	$ (1,154)	$ (414)
Adjustments to reconcile net loss to cash provided by operating activities:
Stock based compensation expense	121	130
Depreciation	36	33
Amortization	19	59
Amortization of deferred loan costs	15	15
Amortization of subordinated debt discount	16	39
Non cash interest expense	42	37
Amortization of right of use assets	202	193
Fair value adjustment of stock awards	(52)	190
Changes in operating assets and liabilities:
Accounts receivable	380	667
Inventories	(113)	20
Prepaid and other current assets	(292)	(954)
Other assets	(31)	(3)
Change in lease liability	(202)	(194)
Accounts payable, accrued compensation and other accrued expenses	1,091	416
Net cash provided by operating activities	78	234
Cash Flows From Investing Activities:
Purchases of property and equipment	(2)
Acquisition of licenses	(2)	(36)
Net cash used in investing activities	(4)	(36)
Cash Flows From Financing Activities:
Net repayments of line of credit	(220)	(907)
Proceeds from exercise of stock options		4
Borrowings of subordinated convertible debt		700
Repayments of long-term debt	(18)	(8)
Net cash used in financing activities	(238)	(211)
Net decrease in cash	(164)	(13)
Cash, beginning of period	274	69
Cash, end of period	110	56
Supplemental Cash Flow Information:
Cash paid for interest	60	41
Non cash investing and financing activities:
Conversion of subordinated convertible debt to common stock	62	101
Stock paid to employees in lieu of cash	$ 97