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Stock-Based Compensation - Schedule of Stock Option Activity (Details)
9 Months Ended
Sep. 30, 2016
USD ($)
$ / shares
shares
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Number of shares outstanding, beginning | shares 1,066,360
Number of shares granted | shares 264,350
Number of shares exercised | shares (900)
Number of shares forfeited | shares (186,281)
Number of shares outstanding, ending | shares 1,143,529
Number of shares exercisable | shares 469,458
Weighted average exercise price outstanding, beginning | $ / shares $ 5.37
Weighted average exercise price granted | $ / shares 4.21
Weighted average exercise price exercised | $ / shares 1.25
Weighted average exercise price forfeited | $ / shares 5.33
Weighted average exercise price outstanding, ending | $ / shares 5.12
Weighted average exercise price exercisable | $ / shares $ 5.27
Weighted average remaining contractual life outstanding, beginning 7 years 4 months 24 days
Weighted average remaining contractual life outstanding, ending 7 years 1 month 6 days
Weighted average remaining contractual life exercisable 4 years 7 months 6 days
Aggregate intrinsic value, beginning | $ $ 64,500
Aggregate intrinsic value, ending | $ 430,879
Aggregate intrinsic value, exercisable | $ $ 150,349