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Condensed Consolidated Statements of Shareholders' Equity (Unaudited) - 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, 2017 $ 1 $ 13 $ (456) $ 134,752 $ (129,119) $ 345 $ 5,536
Balance, shares at Dec. 31, 2017 156 2,521          
Foreign currency translation adjustment (91) (91)
Net loss (533) (533)
Net proceeds from common stock related to registered direct offering $ 1 1,380 1,381
Net proceeds from common stock related to registered direct offering, shares 345          
Cash paid to Series A preferred stockholders for semi-annual dividend (8) (8)
Non-cash stock based compensation 251 251
Balance at Jun. 30, 2018 $ 1 $ 14 (456) 136,383 (129,660) 254 6,536
Balance, shares at Jun. 30, 2018 156 2,866          
Balance at Mar. 31, 2018 $ 1 $ 13 (456) 134,869 (129,528) 297 5,196
Balance, shares at Mar. 31, 2018 156 2,521          
Foreign currency translation adjustment (43) (43)
Net loss (124) (124)
Net proceeds from common stock related to registered direct offering $ 1 1,380 1,381
Net proceeds from common stock related to registered direct offering, shares 345          
Cash paid to Series A preferred stockholders for semi-annual dividend (8) (8)
Non-cash stock based compensation 134 134
Balance at Jun. 30, 2018 $ 1 $ 14 (456) 136,383 (129,660) 254 6,536
Balance, shares at Jun. 30, 2018 156 2,866          
Balance at Dec. 31, 2018 $ 1 $ 14 (456) 136,552 (129,394) 200 6,917
Balance, shares at Dec. 31, 2018 156 2,875          
Foreign currency translation adjustment 65 65
Net loss (403) (403)
Issuance of common stock upon vesting of restricted stock units (13) (13)
Issuance of common stock upon vesting of restricted stock units, shares 7          
Cash paid to Series A preferred stockholders for semi-annual dividend (8) (8)
Non-cash stock based compensation 109 109
Balance at Jun. 30, 2019 $ 1 $ 14 (456) 136,648 (129,805) 265 6,667
Balance, shares at Jun. 30, 2019 156 2,882          
Balance at Mar. 31, 2019 $ 1 $ 14 (456) 136,606 (129,707) 233 6,691
Balance, shares at Mar. 31, 2019 156 2,878          
Foreign currency translation adjustment 32 32
Net loss (90) (90)
Issuance of common stock upon vesting of restricted stock units (8) (8)
Issuance of common stock upon vesting of restricted stock units, shares 4          
Cash paid to Series A preferred stockholders for semi-annual dividend (8) (8)
Non-cash stock based compensation 50 50
Balance at Jun. 30, 2019 $ 1 $ 14 $ (456) $ 136,648 $ (129,805) $ 265 $ 6,667
Balance, shares at Jun. 30, 2019 156 2,882