Consolidated Statements Of Shareholders' Equity - USD ($)
$ in Thousands
Total
Convertible Preferred Stock
Common Stock and Additional Paid-in Capital
Treasury Stock
Accumulated Other Comprehensive Loss
Accumulated Deficit
Balance at Dec. 31, 2013 $ 8,481   $ 148,904 $ (16,399) $ (274) $ (123,750)
Balance, shares at Dec. 31, 2013     37,336,000      
Treasury Stock Shares at Dec. 31, 2013 (1,964,000)          
Exercise of stock options, net, shares     153,000      
Exercise of stock options, net $ 310   $ 310      
Stock-based compensation $ 1,233   1,233      
Retirement of treasury stock     $ (16,399) $ 16,399    
Retirement of treasury stock, shares 1,964,000   (1,964,000)      
Other compensation $ 123   $ 123      
Issuance of stock, net, shares     22,359,000      
Issuance of stock, net 51,118   $ 51,118      
Exercise of warrants, shares     39,000      
Stock dividends     192,000      
Net loss (18,926)         (18,926)
Foreign currency translation adjustments (283)       (283)  
Balance at Dec. 31, 2014 42,056   $ 185,289   (557) (142,676)
Balance, shares at Dec. 31, 2014     58,115,000      
Exercise of stock options, net, shares     113,000      
Exercise of stock options, net 44   $ 44      
Stock-based compensation 3,350   3,350      
Cost of issuance (3)   (3)      
Net loss (20,278)         (20,278)
Foreign currency translation adjustments (244)       (244)  
Balance at Dec. 31, 2015 $ 24,925   $ 188,680   (801) (162,954)
Balance, shares at Dec. 31, 2015 58,228,000   58,228,000      
Exercise of stock options, net $ 1   $ 1      
Stock-based compensation 3,065   $ 3,065      
Issuance of stock from RSUs, net     489,000      
Issuance of Series C participating convertible preferred stock and warrants, net of issuance cost of $479 9,520 $ 8,428 $ 1,092      
Issuance of Series C participating convertible preferred stock and warrants, shares   88,000        
Beneficial conversion feature of Series C participating convertible preferred stock   $ (1,092) 1,092      
Deemed dividend related to beneficial conversion feature of Series C participating convertible preferred stock (2,184) 2,184 (2,184)      
Issuance of common stock upon conversion of Series C participating convertible preferred stock   $ (9,520) $ 9,520      
Issuance of common stock upon conversion of Series C participating convertible preferred stock, shares   (88,000) 8,849,000      
Net loss (15,371)         (15,371)
Foreign currency translation adjustments (75)       (75)  
Balance at Dec. 31, 2016 $ 22,065   $ 201,266   $ (876) $ (178,325)
Balance, shares at Dec. 31, 2016 67,565,951   67,566,000