CONSOLIDATED BALANCE SHEETS (Unaudited Consolidated Condensed) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Current assets:
Cash	$ 1,188	$ 2,186
Trade accounts receivable, less allowance for doubtful accounts of $270 for September 30, 2023, and $139 for December 31, 2022	3,199	4,734
Inventories, net	10,123	8,839
Prepaid expenses and other current assets	1,040	866
Total current assets	15,550	16,625
Equipment and leasehold improvements, net	8,607	7,949
Operating leases, right of use	8,187	8,978
Other assets, net	3	6
Total assets	32,347	33,558
Current liabilities:
Lines of credit, related party	6,338	7,282
Accounts payable	6,270	6,363
Current portion of operating lease obligations	1,303
Current portion of deferred revenue	2,619	2,167
Accrued expenses	1,130	1,023
Total current liabilities	17,660	16,835
Long-term portion of operating lease obligations	9,475	9,823
Long-term debt, related party	1,000	1,000
Long-term portion of deferred revenue	45	21
Asset retirement obligations	236	230
Total long-term liabilities	10,756	11,074
Shareholders’ equity:
Preferred stock, $.01 par value, 24,088 shares authorized, and no shares issued and outstanding
Common stock, $.01 par value, 60,000,000 shares authorized; 49,627,254 and 49,320,680 shares issued and outstanding on September 30, 2023 and December 31, 2022, respectively	496	493
Additional paid-in capital	105,970	105,226
Accumulated deficit	(102,535)	(100,070)
Total shareholders’ equity	3,931	5,649
Total liabilities and shareholders’ equity	$ 32,347	$ 33,558