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Consolidated Statements of Shareholders' Equity - USD ($)
$ in Thousands
Series A Cumulative Convertible Preferred Stock [Member]
Common Stock [Member]
Additional Paid-In Capital [Member]
Treasury Stock [Member]
Accumulated Deficit [Member]
Accumulated Other Comprehensive Income [Member]
Total
Balance at Dec. 31, 2014 $ 1 $ 9 $ 128,736 $ (456) $ (117,845) $ 479 $ 10,924
Balance, shares at Dec. 31, 2014 156,000 1,847,000          
Foreign currency translation adjustment (307) (307)
Net loss (7,226) (7,226)
Adjustment to common stock in connection with reverse/forward stock split            
Issuance of common stock upon exercise of stock options 1
Issuance of common stock upon exercise of stock options, shares 1,000          
Issuance of common stock in lieu of payment to consultant 1 1
Issuance of stock to Series A preferred stockholders in lieu of cash dividends 16 (16)
Issuance of stock to Series A preferred stockholders in lieu of cash dividends, shares 1,000          
Non-cash stock based compensation 456 456
Balance at Dec. 31, 2015 $ 1 $ 9 129,209 (456) (125,087) 172 3,848
Balance, shares at Dec. 31, 2015 156,000 1,849,000          
Foreign currency translation adjustment 51 51
Net loss (2,923) (2,923)
Adjustment to common stock in connection with reverse/forward stock split (3) 3
Net proceeds from issuance of common stock related to registered direct offering $ 2 2,690 2,692
Net proceeds from issuance of common stock related to registered direct offering, shares 412,000          
Issuance of common stock upon exercise of stock options            
Issuance of stock to Series A preferred stockholders in lieu of cash dividends (16) (16)
Issuance of stock to Series A preferred stockholders in lieu of cash dividends, shares          
Non-cash stock based compensation 419 419
Balance at Dec. 31, 2016 $ 1 $ 11 $ 132,315 $ (456) $ (128,026) $ 223 $ 4,068
Balance, shares at Dec. 31, 2016 156,000 2,261,000