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CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Current assets:    
Cash $ 1,380 $ 957
Trade accounts receivable, less allowance for doubtful accounts of $9 for both September 30, 2021 and December 31, 2020 4,723 2,932
Inventories, net 6,327 4,340
Prepaid expenses and other current assets 698 606
Total current assets 13,128 8,835
Equipment and leasehold improvements, net 4,014 2,868
Operating leases, right of use 1,679 1,827
Other assets, net 9 10
Total assets 18,830 13,540
Current liabilities:    
Line of credit, bank 500
Line of credit, related party 3,740 2,155
Current portion of long-term debt, related party 1,000 500
Current portion of finance lease obligations 137 177
Current portion of operating lease obligations 521 431
Accounts payable 2,436 2,126
Deferred revenue 388 411
Accrued expenses 1,251 484
Total current liabilities 9,473 6,784
Long-term portion of finance lease obligations 11 110
Long-term portion of operating lease obligations 1,385 1,651
Long-term convertible loan, related party 1,097
PPP Loan (SBA) 952
Asset retirement obligations 220 214
Total long-term liabilities 1,616 4,024
Contingent liabilities
Shareholders’ equity:    
Preferred stock, $.01 par value, 24,088 shares authorized, and no shares issued and outstanding
Common stock, $.01 par value, 55,000,000 shares authorized; 48,725,473 and 38,221,292 shares issued and outstanding on September 30, 2021 and December 31, 2020, respectively 487 382
Additional paid-in capital 104,307 102,117
Accumulated deficit (97,053) (99,767)
Total Shareholders’ equity 7,741 2,732
Total liabilities and shareholder’s equity   $ 18,830 $ 13,540