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Stockholders' Equity (Deficit) (Equity Compensation Plan) (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 12 Months Ended
Jun. 30, 2014
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Apr. 30, 2011
Dec. 31, 2009
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Outstanding stock options   1,214,686 1,018,590      
Granted   393,375 393,375      
Forfeited   187,007        
Stock-based compensation expense   $ 1,574 $ 1,066 $ 1,066    
Weighted average grant-date fair value   $ 3.20 $ 5.66      
Fair value of stock options vested   $ 2,900        
Unrecognized stock-based compensation expense   $ 2,400        
Unrecognized stock-based compensation expense, recognition period   16 months 21 days        
2009 Stock Incentive Plan [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Stock Incentive Plan, shares authorized   869,565     652,174 217,391
Expiration term     10 years      
Outstanding stock options   553,105 581,842      
2014 Stock Option Plan [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Stock Incentive Plan, shares authorized 500,000          
Stock Incentive Plan, shares authorized increased 600,000          
Expiration term 10 years          
Outstanding stock options   661,581        
Granted 1,100,000          
2009 and 2014 Plans [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Common shares available for grant   453,297