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Consolidated Statements of Shareholders' Equity - USD ($)
$ in Thousands
Series A Cumulative Convertible Preferred Stock [Member]
Common Stock [Member]
Treasury Stock [Member]
Additional Paid-in Capital [Member]
Accumulated Deficit [Member]
Accumulated Other Comprehensive Income [Member]
Total
Balance at Dec. 31, 2018 $ 1 $ 14 $ (456) $ 136,552 $ (129,394) $ 200 $ 6,917
Balance, shares at Dec. 31, 2018 156,000 2,875,000          
Foreign currency translation adjustment 68 68
Net loss (2,047) (2,047)
Issuance of common stock upon vesting of restricted stock units (37) (37)
Issuance of common stock upon vesting of restricted stock units,shares 26,000          
Dividend paid to Series A preferred stockholders (16) (16)
Non-cash stock based compensation 206 206
Balance at Dec. 31, 2019 $ 1 $ 14 (456) 136,721 (131,457) 268 5,091
Balance, shares at Dec. 31, 2019 156,000 2,901,000          
Foreign currency translation adjustment (23) (23)
Net loss (4,415) (4,415)
Issuance of common stock upon vesting of restricted stock units, net of shares withheld for payroll taxes $ 1 (29) (28)
Issuance of common stock upon vesting of restricted stock units, net of shares withheld for payroll taxes, shares 42,000          
Issuance of common stock in lieu of cash compensation 43 43
Issuance of common stock in lieu of cash compensation, shares 23,000          
Dividend paid to Series A preferred stockholders (16) (16)
Non-cash stock based compensation 199 199
Balance at Dec. 31, 2020 $ 1 $ 15 $ (456) $ 13,934 $ (135,888) $ 245 $ 851
Balance, shares at Dec. 31, 2020 156,000 2,966,000