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CONSOLIDATED BALANCE SHEETS (Unaudited Consolidated Condensed) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Current assets:    
Cash $ 664 $ 657
Trade accounts receivable, less allowance for doubtful accounts of $161 for June 30, 2022, and $60 for December 31, 2021 6,537 3,937
Inventories, net 8,949 6,095
Prepaid expenses and other current assets 1,201 910
Total current assets 17,351 11,599
Equipment and leasehold improvements, net 5,715 4,712
Operating leases, right of use 11,418 12,075
Other assets, net 7 8
Total assets 34,491 28,394
Current liabilities:    
Line of credit, related party 5,835 1,351
Current portion of finance lease obligations 35 105
Current portion of operating lease obligations 1,161 589
Accounts payable 4,368 3,566
Current portion of deferred revenue 709 783
Accrued expenses 1,426 946
Total current liabilities 13,534 7,340
Long-term portion of finance lease obligations 1 6
Long-term portion of operating lease obligations 11,067 11,700
Long-term debt, related party 1,000 1,000
Long-term portion of deferred revenue 675 661
Asset retirement obligations 227 222
Total long-term liabilities 12,970 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 and 55,000,000 shares authorized; 49,137,030 and 48,893,573 shares issued and outstanding on June 30, 2022 and December 31, 2021, respectively 491 489
Additional paid-in capital 104,831 104,423
Accumulated deficit (97,335) (97,447)
Total Shareholders’ equity 7,987 7,465
Total liabilities and shareholders’ equity $ 34,491 $ 28,394