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Stock-Based Compensation - Schedule of Stock Option Activity (Details)
6 Months Ended
Jun. 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 153,850
Number of shares exercised | shares (900)
Number of shares forfeited | shares (84,566)
Number of shares outstanding, ending | shares 1,134,744
Number of shares exercisable | shares 414,943
Weighted average exercise price outstanding, beginning | $ / shares $ 5.37
Weighted average exercise price granted | $ / shares 3.57
Weighted average exercise price exercised | $ / shares 1.25
Weighted average exercise price forfeited | $ / shares 5.27
Weighted average exercise price outstanding, ending | $ / shares 5.14
Weighted average exercise price exercisable | $ / shares $ 5.30
Weighted average remaining contractual life outstanding, beginning 7 years 4 months 24 days
Weighted average remaining contractual life outstanding, ending 7 years 2 months 12 days
Weighted average remaining contractual life exercisable 4 years 9 months 18 days
Aggregate intrinsic value, beginning | $ $ 64,500
Aggregate intrinsic value, ending | $ 478,593
Aggregate intrinsic value, exercisable | $ $ 162,717