CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited Consolidated Condensed) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Operating activities:
Net income (loss)	$ 893	$ (1,159)
Adjustments to reconcile net income to cash used in operating activities:
Depreciation and amortization	234	174
Stock-based compensation	160	209
Changes in assets and liabilities related to operations:
Trade accounts receivable	(1,760)	151
Inventories	(3,250)	721
Prepaid expenses and other assets	(414)	(67)
Accounts payable	(330)	(768)
Accrued expenses	481	111
Deferred revenue	239	(346)
Other receivables	(55)
Change in ROU asset and lease liability, net	(53)	192
Net cash used in operating activities	(3,855)	(782)
Investing activities:
Acquisition of equipment and leasehold improvements	(85)	(21)
Net cash used in investing activities	(85)	(21)
Financing activities:
Proceeds from line of credit - inventory, related party	200	1,000
Payments to line of credit – accounts receivable, related party	(1,960)	(1,390)
Payments to term loans, related party	(2,000)
Proceeds from issuance of mezzanine preferred stock	6,000
Proceeds from issuance of stock and exercise of stock options	1,996	101
Net cash provided by (used in) financing activities	4,236	(289)
Increase (decrease) increase in cash and cash equivalents	296	(1,092)
Cash and cash equivalents at beginning of period	1,722	2,186
Cash and cash equivalents at end of period	2,018	1,094
Supplemental cash flow information:
Interest paid	160	97
Supplemental non-cash investing and financing activities:
Accounts payable incurred for the purchase of equipment and leasehold improvements	$ 286	$ 437