CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (2,138)	$ (3,010)	$ (6,722)	$ (4,461)
Adjustments to reconcile net loss to net cash flows used in operating activities:
Depreciation and amortization			604	549
Amortization of operating lease right-of-use asset			93	107
Amortization of finance lease right-of-use asset			67	22
Amortization of deferred financing costs, debt discounts and debt premiums			2	2
Gain on forgiveness of debt				(794)
Gain on settlement of liability		(17)	(1)	(34)
Stock-based compensation			2,683	800
Value of stock issued in payment of services				150
Provision for losses on doubtful accounts			165	188
Warrant revaluation			(519)	1,012
Derecognition of finance lease right-of-use asset				29
Changes in operating assets and liabilities:
Accounts receivable			(595)	243
Inventories			(78)	(206)
Other assets			207	9
Accounts payable			692	81
Operating lease liabilities			(90)	(110)
Accrued expenses and other liabilities			(488)	(600)
Net cash used in operating activities			(3,980)	(3,013)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment			(106)	(321)
Net cash used in investing activities			(106)	(321)
CASH FLOWS FROM FINANCING ACTIVITIES:
Principal payments on finance lease obligations			(95)	(37)
Deposits on finance lease right-of-use assets				(35)
Issuance of common stock, net of issuance costs				16,207
Proceeds from exercise of stock options				400
Principal payments on long-term debt			(14)	(26)
Payments on common stock warrant liabilities				(130)
Net cash flows (used in) provided by financing activities			(109)	16,379
NET CHANGE IN CASH			(4,195)	13,045
CASH AT BEGINNING OF PERIOD			11,668	2,656	$ 2,656
CASH AT END OF PERIOD	$ 7,473	$ 15,701	7,473	15,701	$ 11,668
SUPPLEMENTAL CASH FLOW INFORMATION
Cash paid during the period for interest			19	6
SUPPLEMENTAL DISCLOSURE OF CONSULTING SERVICES OR ANY OTHER NON-CASH COMMON STOCK RELATED ACTIVITY
Purchases of equipment financed through accounts payable			7	47
Operating lease right-of-use assets obtained in exchange for operating lease obligations			$ 92	0
Finance lease right-of-use assets obtained in exchange for finance lease obligations				$ 321