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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, 2016 $ 1 $ 11 $ (456) $ 132,315 $ (128,026) $ 223 $ 4,068
Balance, shares at Dec. 31, 2016 156,000 2,261,000          
Foreign currency translation adjustment 122 122
Net loss (1,077) (1,077)
Common stock issued for compensation in lieu of cash payment $ 1 208 209
Common stock issued for compensation in lieu of cash payment, shares 30,000          
Net proceeds from issuance of common stock related to registered direct offering $ 1 1,772 1,773
Net proceeds from issuance of common stock related to registered direct offering, shares 230,000          
Dividend paid to Series A preferred stockholders (16) (16)
Dividend paid to Series A preferred stockholders, shares          
Non-cash stock based compensation 457 457
Balance at Dec. 31, 2017 $ 1 $ 13 (456) 134,752 (129,119) 345 5,536
Balance, shares at Dec. 31, 2017 156,000 2,521,000          
Foreign currency translation adjustment (145) (145)
Net loss (259) (259)
Net proceeds from issuance of common stock related to registered direct offering $ 1 1,374 1,375
Net proceeds from issuance of common stock related to registered direct offering, shares 345,000          
Issuance of common stock upon vesting of restricted stock units (17) (17)
Issuance of common stock upon vesting of restricted stock units, shares 9,000          
Dividend paid to Series A preferred stockholders (16) (16)
Dividend paid to Series A preferred stockholders, shares          
Non-cash stock based compensation 443 443
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