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Stock-Based Compensation (Details)
9 Months Ended
Sep. 30, 2016
USD ($)
$ / shares
shares
Stock-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition 2 years 2 months 12 days
2011 Incentive Plan [Member] | Executive Management [Member] | Stock Options [Member]  
Stock-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Share-based compensation, shares granted options to purchase (in shares) | shares 28,000
Exercise price of stock options granted (in dollars per share) $ 3.90
Vesting period 3 years
Stock option, expiration date Sep. 02, 2021
Percentage of shares vested on grant date 25.00%
Percentage of shares vested on first anniversary of the grant date 25.00%
Percentage of shares vested on second anniversary of the grant date 25.00%
Percentage of shares vested on third anniversary of the grant date 25.00%
Grant date fair value (in dollars per share) $ 0.89
Unrecognized compensation expense | $ $ 38,000