Net Loss Per Share (Tables)

12 Months Ended

Dec. 31, 2019

Earnings Per Share [Abstract]

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

	Year Ended December 31,
	2019	2018	2017
Stock options	1,929,391	1,865,415	1,560,453
Restricted stock units	1,451,507	1,154,980	509,894
Common stock warrants	1,165,282	1,239,423	389,423
Shares from the convertible senior notes	6,705,819	—	—
	11,251,999	4,259,818	2,459,770