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Stockholders' Equity (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Dec. 31, 2015
Stockholders' Equity Note [Abstract]      
Outstanding purchase of warrants (in shares) 50,600   50,600
Warrants exercisable price per share $ 7.00    
Warrant expiration date range end Sep. 18, 2018    
Warrants exercised 0    
Foreign Currency Transaction and Translation Gain (Loss) $ 400 $ (1,500)  
Stock-based compensation 54 $ 60  
Unrecognized stock-based compensation $ 177    
Number of shares available for future grants 364,934