Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Cash Flows From Operating Activities:
Net loss	$ (5,397)	$ (6,557)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities
Depreciation and amortization	1,122	1,104
Bad debt expense	68	126
Other income	(25)
(Gain) loss on disposal of assets	(168)	101
Inventory reserve	(8)	(32)
Loss on debt to equity conversion	1,321
Stock dividend payable	(113)	(113)
Amortization of debt issuance costs		1,225
Interest accrued to secured credit facilities	71	119
Payment of accrued interest on secured credit facilities	(142)
Interest accrued for amounts due to related parties	363
Payment of accrued interest on amounts due to related parties	(348)
Issuance of common stock in exchange for services of related parties	93	206
Issuance of common stock in exchange of services of third parties	456	230
Stock-based compensation		3
Changes in operating assets and liabilities:
Trade receivables, net	(89)	408
Inventories	887	1,567
Prepaid expenses and other assets	(160)	(197)
Right-of-use assets	751	721
Accounts payable	469	881
Accrued liabilities	(661)	899
Other liabilities, related party	556
Deferred revenue	35	62
Net lease liabilities	(778)	(602)
Net cash (used in) provided by operating activities	(1,697)	151
Cash Flows From Investing Activities:
Proceeds from sale of fixed assets	175	12
Purchases of property and equipment	(199)	(2,495)
Net cash used in investing activities	(24)	(2,483)
Cash Flows From Financing Activities:
Proceeds from issuance of stock	1,300	197
Proceeds from secured credit facilities	56
Proceeds from note payable, related party		3,500
Payments of principal on notes payable, related party		(275)
Payments of principal on secured credit facilities		(2,933)
Payments of principal on notes payable		(1,001)
Net cash provided by (used in) financing activities	1,356	(512)
Net decrease in cash	(365)	(2,844)
Cash at the beginning of the period	723	3,276
Cash at the end of the period	358	432
Supplemental Disclosure of Cash Flow Information
Cash paid during the period for interest	1,068	772
Cash paid for amounts included in measurement of lease liabilities	1,031	705
Supplemental Disclosure of Non-Cash Financing Activity
Debt exchanged for equity	6,510
Accrued interest rolled into notes payable	241
Exchange of assets for services	42
Future proceeds related to installment sales of equipment	211
Issuance of detachable warrants on notes payable		1,590
Right-of-use assets obtained in exchange for lease obligations		$ 527