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Stockholders' Equity (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Dec. 31, 2015
Stockholders' Equity Note [Abstract]          
Outstanding purchase of warrants (in shares) 50,600   50,600   50,600
Weighted avergae exercise price - warrants     $ 7.00    
Warrant expiration date range end     Sep. 18, 2018    
Warrants exercised     0    
Foreign Currency Transaction and Translation Gain (Loss)     $ 600 $ (1,200)  
Stock-based compensation $ (47) $ 57 6 $ 117  
Unrecognized stock-based compensation $ 100   $ 100    
Number of shares available for future grants 446,600   446,600