Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Cash Flows From Operating Activities:
Net loss	$ (1,598)	$ (2,036)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation and amortization	407	263
(Recovery of) bad debt expense	(2)	43
Loss on disposal of assets	6
Write off of obsolete fixed assets	54
Inventory reserve	(19)	(32)
Stock dividend payable	(38)	(38)
Amortization of debt issuance costs		180
Interest accrued to secured credit facilities	78	50
Payment of accrued interest on secured credit facilities	(142)
Interest accrued for amounts due to related parties	123
Payment of accrued interest on amounts due to related parties	(141)
Issuance of common stock in exchange for services of related parties	60	207
Issuance of common stock in exchange for services of third parties	83	119
Stock-based compensation		2
Changes in operating assets and liabilities:
Trade receivables, net		148
Inventories	471	457
Prepaid expenses and other assets	(390)	(924)
Right-of-use assets	290	229
Accounts payable	350	1,102
Accrued liabilities	(104)	205
Other liabilities, related party	279
Deferred revenue	96
Net lease liabilities	(291)	(111)
Net cash used in operating activities	(428)	(136)
Cash Flows From Investing Activities:
Purchases of property and equipment	(28)	(1,389)
Net cash used in investing activities	(28)	(1,389)
Cash Flows From Financing Activities:
Proceeds from note payable, related party		2,000
Payments of principal on secured credit facilities		(940)
Payments of principal on notes payable		(205)
Net cash provided by financing activities		855
Net decrease in cash	(456)	(670)
Cash at the beginning of the period	723	3,276	$ 3,276
Cash at the end of the period	267	2,606	$ 723
Supplemental Disclosure of Cash Flow Information
Cash paid during the period for interest	323	215
Cash paid for amounts included in measurement of lease liabilities	318	177
Supplemental Disclosure of Non-Cash Financing Activity
Exchange of assets for services	42
Right-of-use assets obtained in exchange for lease obligations		320
Warrants issued in relation to secured credit facilities		$ 948