Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended		12 Months Ended
	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Cash Flows From Operating Activities:
Net loss	$ (1,643)	$ (1,598)	$ (1,788)	$ (2,036)	$ (3,241)	$ (3,824)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities
Depreciation and amortization					817	686
Bad debt expense					9	28
Other income					(25)
(Gain) loss on disposal of assets	(135)		101		(129)	101
Inventory reserve					(17)	(32)
Stock dividend payable					(75)	(75)
Amortization of debt issuance costs						673
Interest accrued to secured credit facilities					158	17
Payment of accrued interest on secured credit facilities					(117)
Interest accrued for amounts due to related parties					247
Payment of accrued interest on amounts due to related parties					(243)
Issuance of common stock in exchange for services of related parties					60	206
Issuance of common stock in exchange of services of third parties					83	230
Stock-based compensation						3
Changes in operating assets and liabilities:
Trade receivables, net					50	166
Inventories					848	1,311
Prepaid expenses and other assets					(216)	(233)
Right-of-use assets					497	470
Accounts payable					637	300
Accrued liabilities					(51)	573
Other liabilities, related party					458
Deferred revenue					136	22
Net lease liabilities					(525)	(351)
Net cash (used in) provided by operating activities					(639)	271
Cash Flows From Investing Activities:
Proceeds from sale of fixed assets					146	12
Purchases of property and equipment					(73)	(2,497)
Net cash provided by (used in) investing activities					73	(2,485)
Cash Flows From Financing Activities:
Proceeds from issuance of stock					651	197
Proceeds from secured credit facilities					31
Proceeds from note payable, related party						3,000
Payments of principal on secured credit facilities						(2,949)
Payments of principal on notes payable						(287)
Net cash provided by (used in) financing activities					682	(39)
Net increase (decrease) in cash					116	(2,253)
Cash at the beginning of the period		$ 723		$ 3,276	723	3,276	$ 3,276
Cash at the end of the period	$ 839		$ 1,023		839	1,023	$ 723
Supplemental Disclosure of Cash Flow Information
Cash paid during the period for interest					441	593
Cash paid for amounts included in measurement of lease liabilities					687	475
Supplemental Disclosure of Non-Cash Financing Activity
Issuance of detachable warrants on notes payable						1,454
Right-of-use assets obtained in exchange for lease obligations						478
Exchange of assets for services					42
Future proceeds related to installment sales of equipment					$ 128