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Summary of Significant Accounting Policies (Details 3) (USD $)
3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 1 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Stock Options
Sep. 30, 2013
Stock Options
Sep. 30, 2014
Stock Options
Sep. 30, 2013
Stock Options
Sep. 30, 2014
Employee stock purchase plan
Sep. 30, 2014
Restricted stock units
Sep. 30, 2014
Restricted stock units
May 31, 2014
2013 Omnibus Stock and Incentive Plan
Board of Directors Chairman [Member]
Stock-Based Compensation                        
Awards granted             406,000         29,701
Weighted average exercise price (in dollars per share)             $ 3.02          
Restricted stock units granted                     25,000  
Weighted average grant-date fair value of equity granted (in dollars per share)                     $ 3.03 $ 3.03
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period                     3 years  
Weighted average assumptions                        
Expected life             3 years 8 months 12 days   1 year      
Expected volatility             50.00%   50.00%      
Dividend yield             0.00%   0.00%      
Risk-free interest rate             1.10%   0.13%      
Total stock-based compensation expense $ 83,000 $ 108,000 $ 300,000 $ 324,000           $ 11,000 $ 15,000 $ 90,000
Total option exercises         26,000 24,000 95,000 37,000        
Proceeds from option exercises         $ 24,000 $ 10,000 $ 125,000 $ 23,000