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CONSOLIDATED BALANCE SHEETS (Unaudited Consolidated Condensed) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Current assets:    
Cash $ 897 $ 657
Trade accounts receivable, less allowance for doubtful accounts of $80 for March 31, 2022, and $60 for December 31, 2021 5,274 3,937
Inventories, net 8,559 6,095
Prepaid expenses and other current assets 1,005 910
Total current assets 15,735 11,599
Equipment and leasehold improvements, net 4,997 4,712
Operating leases, right of use 11,718 12,075
Other assets, net 7 8
Total assets 32,457 28,394
Current liabilities:    
Line of credit, related party 3,709 1,351
Current portion of finance lease obligations 70 105
Current portion of operating lease obligations 890 589
Accounts payable 4,953 3,566
Current portion of deferred revenue 848 783
Accrued expenses 961 946
Total current liabilities 11,431 7,340
Long-term portion of finance lease obligations 4 6
Long-term portion of operating lease obligations 11,389 11,700
Long-term debt, related party 1,000 1,000
Long-term portion of deferred revenue 661 661
Asset retirement obligations 224 222
Total long-term liabilities 13,278 13,589
Contingent liabilities
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; 49,026,741 and 48,893,573 shares issued and outstanding on March 31, 2022 and December 31, 2021, respectively 490 489
Additional paid-in capital 104,643 104,423
Accumulated deficit (97,385) (97,447)
Total Shareholders’ equity 7,748 7,465
Total liabilities and shareholders’ equity $ 32,457 $ 28,394