Stockholders' Equity - Schedule of Stock Option Activity (Details)	12 Months Ended
	Dec. 31, 2015 USD ($) $ / shares shares
Share under option
Outstanding beginning balance, Shares | shares	1,526,349
Granted, Shares | shares	992,050
Exercised, Shares | shares	(218,674)
Forfeited, Shares | shares	(93,090)
Outstanding ending balance, Shares | shares	2,206,635
Options exercisable at end of period, Shares | shares	610,696
Expected to vest at end of period, Shares | shares	1,958,808
Weighted Average-Exercise Price
Outstanding beginning balance, Weighted-Average Exercise Price | $ / shares	$ 7.57
Granted, Weighted-Average Exercise Price | $ / shares	9.81
Exercised, Weighted-Average Exercise Price | $ / shares	0.60
Forfeited, Weighted-Average Exercise Price | $ / shares	12.96
Outstanding ending balance, Weighted-Average Exercise Price | $ / shares	9.04
Options exercisable at end of period, Weighted-Average Exercise Price | $ / shares	6.20
Expected to vest at end of period, Weighted-Average Exercise Price | $ / shares	$ 9.71
Weighted-Average Remaining Contractual Term
Outstanding ending balance, Weighted-Average Contractual Life(in years)	8 years 2 months 12 days
Options exercisable at end of period, Weighted-Average Contractual Life(in years)	6 years 7 months 17 days
Expected to vest at end of period, Weighted-Average Contractual Life(in years)	8 years 6 months 22 days
Aggregate Intrinsic Value
Outstanding beginning balance, Aggregate Intrinsic Value | $	$ 11,523,531
Exercised, Aggregate Intrinsic Value | $	2,047,507
Forfeited, Aggregate Intrinsic Value | $	107,384
Outstanding ending balance, Aggregate Intrinsic Value | $	13,114,811
Options exercisable at end of period, Aggregate Intrinsic Value | $	5,620,564
Expected to vest at end of period, Aggregate Intrinsic Value | $	$ 10,737,600