CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Operating activities:
Net (loss) income:	$ (2,623)	$ 2,320
Adjustments to reconcile net (loss) income to cash provided by (used in) operating activities:
Depreciation and amortization	567	454
Gain on forgiveness of PPP loan		(952)
Amortization of debt discount		903
Share-based compensation	625	160
Changes in assets and liabilities related to operations:
Trade accounts receivable	(797)	(1,005)
Inventories	(2,744)	(1,755)
Prepaid expenses and other assets	44	(304)
Accounts payable	1,826	1,026
Deferred revenue	744	1,033
Accrued expenses	77	481
Net changes in ROU assets and lease liabilities - operating	631	(40)
Net cash (used in) provided by operating activities	(1,650)	2,321
Investing activities:
Acquisition of equipment and leasehold improvements	(2,823)	(1,874)
Net cash used in investing activities	(2,823)	(1,874)
Financing activities:
Principal payment on finance leases	(111)	(177)
Payments to line of credit, bank		(1,000)
Proceeds from line of credit, bank		500
Payments to line of credit, related party	(29,594)	(25,554)
Proceeds from line of credit, related party	35,525	24,750
Proceeds from term loan, related party		500
Proceeds from exercise of stock options	182	234
Net cash provided by (used in) financing activities	6,002	(747)
Increase in cash	1,529	(300)
Cash at beginning of period	657	957
Cash at end of period	2,186	657
Supplemental cash flow information:
Cash paid for interest	333	218
Supplemental non-cash investing and financing activity:
Accounts payable incurred for the purchase of equipment and leasehold improvements	971	414
Conversion of $2M convertible loan, related party		2,000
Interest paid via stock issuance, convertible loan, related party		$ 19