CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited Consolidated Condensed) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Operating activities:
Net (loss) income	$ (825)	$ 112
Adjustments to reconcile net (loss) income to cash used in operating activities:
Depreciation and amortization	346	271
Share-based compensation	404	303
Changes in assets and liabilities related to operations:
Trade accounts receivable	(1,187)	(2,600)
Inventories	427	(2,854)
Prepaid expenses and other assets	(177)	(290)
Accounts payable	(1,447)	661
Accrued expenses	419	480
Deferred revenue	(90)	(60)
Change in ROU asset and lease liability, net	169	596
Net cash used in operating activities	(1,961)	(3,381)
Investing activities:
Acquisition of equipment and leasehold improvements	(811)	(1,128)
Net cash used in investing activities	(811)	(1,128)
Financing activities:
Principal payments on finance leases		(75)
Proceeds from line of credit, related party	17,804	18,675
Payments to line of credit, related party	(16,494)	(14,191)
Proceeds from term loan, related party	1,338
Proceeds from exercise of stock options	135	107
Net cash provided by financing activities	2,783	4,516
Increase in cash and cash equivalents	11	7
Cash and cash equivalents at beginning of period	2,186	657
Cash and cash equivalents at end of period	2,197	664
Supplemental cash flow information:
Interest paid	318	87
Supplemental non-cash investing and financing activities:
Accounts payable incurred for the purchase of equipment and leasehold improvements	39	141
ROU assets obtained in exchange for lease liabilities	$ 36