Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Operating activities:
Net Loss	$ (111)	$ (1,518)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	30	9
Amortization of intangible assets	91	0
Unrealized gain on changes in fair value of warrant liability	(2,056)	(0)
Decrease in fair value of contingent liability	(219)	0
Changes in operating assets and liabilities:
Accounts receivable	(632)	68
Inventory	(565)	(242)
Prepaid expenses and other current assets	26	(174)
Operating lease right-of-use assets	(1,920)	86
Other assets	(8)	0
Accounts payable and accrued liabilities	1,182	267
Operating lease liabilities	1,941	(98)
Net cash used in operating activities	(2,057)	(1,419)
Investing activities:
Purchases of property and equipment	(24)	(25)
Net cash used in investing activities	(24)	(25)
Financing activities:
Payment on the line of credit	(105)	0
Net cash used in financing activities	(105)	0
Net decrease in cash, cash equivalents, and restricted cash	(2,186)	(1,444)
Cash, cash equivalents and restricted cash, beginning of year	7,979	12,427
Cash, cash equivalents and restricted cash, end of period	5,793	10,983
Supplemental disclosure of cash flow information:
Interest paid	4	0
Addition of operating lease, right-of-use asset	2,039	0
Conversion of Series B Non-Voting Preferred Stock to common stock	71	0
Employees and Directors [Member] | Share-Based Payment Arrangement, Option [Member]
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation expense for options and stock issued	184	130
Nonemployees [Member] | Share-Based Payment Arrangement, Option [Member]
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation expense for options and stock issued	0	53
The 2019 Preferred Warrant and 2019 Common Warrant Liability [Member]
Supplemental disclosure of cash flow information:
Warrant liability transferred to equity	$ 7,502	$ 0