Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Cash Flows From Operating Activities:
Net loss	$ (7,535)	$ (16,266)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation and amortization	1,356	1,520
Bad debt expense	92	87
Other income	(25)
Impairment loss	364	7,453
(Gain) loss on disposal of assets	(364)	58
Write off of obsolete fixed assets	25	5
Inventory reserve	42	(47)
Loss on debt to equity conversion	1,321
Amortization of debt issuance costs	13	1,155
Interest accrued to secured credit facilities	118	142
Payment of accrued interest on secured credit facilities	(142)	(149)
Write off of debt issuance costs		39
Interest accrued to notes payable, related party		98
Interest accrued to secured credit facilities, related party	424
Payment of accrued interest on secured credit facilities, related party	(348)
Issuance of common stock in exchange for services for related parties	109	205
Issuance of common stock in exchange for services for third parties	568	315
Stock-based compensation		3
Changes in operating assets and liabilities:
Trade receivables, net	135	483
Inventories	1,219	2,114
Prepaid expenses and other assets	364	(50)
Right-of-use assets	1,085	992
Accounts payable	592	465
Accrued liabilities	(756)	676
Other liabilities, related party	556	725
Deferred revenue	70	18
Net lease liabilities	(1,119)	(918)
Net cash used in operating activities	(1,836)	(877)
Cash Flows From Investing Activities:
Proceeds from sale of fixed assets	298	180
Purchases of property and equipment	(194)	(2,497)
Net cash provided by (used in) investing activities	104	(2,317)
Cash Flows From Financing Activities:
Proceeds from issuance of stock	1,396	198
Proceeds from secured credit facilities	56
Proceeds from note payable, related party		8,000
Payments of principal on notes payable, related party		(3,500)
Payments of principal on secured credit facilities	(40)	(2,838)
Payments of principal on notes payable		(1,219)
Net cash provided by financing activities	1,412	641
Net increase (decrease) in cash	(320)	(2,553)
Cash at the beginning of the period	723	3,276
Cash at the end of the period	403	723
Supplemental Disclosure of Cash Flow Information
Cash paid during the period for interest	758	959
Cash paid for amounts included in measurement of lease liabilities	1,308	951
Supplemental Disclosure of Non-Cash Financing Activity
Dividends issued	150	150
Issuance of detachable warrants on notes payable		630
Right-of-use assets obtained in exchange for lease obligations	700	770
Debt exchanged for equity	6,510
Accrued interest rolled into notes payable	241
Exchange of assets for services	77
Future proceeds related to installment sales of equipment	$ 365