CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited Consolidated Condensed) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Operating activities:
Net loss	$ (2,262)	$ (638)
Adjustments to reconcile net loss to cash used in operating activities:
Depreciation and amortization	524	413
Share-based compensation	593	453
Changes in assets and liabilities related to operations:
Trade accounts receivable	1,333	(1,431)
Inventories	(1,284)	(3,501)
Prepaid expenses and other assets	(174)	(69)
Accounts payable	(422)	1,398
Accrued expenses	113	401
Deferred revenue	476	(75)
Change in right-of-use asset and lease liability, net	1,747	652
Net cash provided by (used in) operating activities	644	(2,397)
Investing activities:
Acquisition of equipment and leasehold improvements	(852)	(1,798)
Net cash used in investing activities	(852)	(1,798)
Financing activities:
Principal payments on finance leases		(100)
Proceeds from line of credit, related party	23,304	25,075
Payments to line of credit, related party	(24,248)	(21,068)
Proceeds from term loan, related party	1,338
Payments to term loan, related party	(1,338)
Proceeds from exercise of stock options	154	141
Net cash (used in) provided by financing activities	(790)	4,048
Decrease in cash and cash equivalents	(998)	(147)
Cash and cash equivalents at beginning of period	2,186	657
Cash and cash equivalents at end of period	1,188	510
Supplemental cash flow information:
Interest paid	553	232
Supplemental non-cash investing and financing activities:
Accounts payable incurred for the purchase of equipment and leasehold improvements	329	432
Early termination of operating lease		73
Right-of-use assets obtained in exchange for lease liabilities	$ 36