Equity - Schedule of Authorized Shares of Common Stock for Future Issuance (Details) - shares	Mar. 31, 2020	Dec. 31, 2019
Class of Stock [Line Items]
Total (in shares)	44,390,813	40,169,185
Shares available for future stock incentive awards
Class of Stock [Line Items]
Total (in shares)	5,048,316	1,765,018
Unvested restricted stock units
Class of Stock [Line Items]
Total (in shares)	170,313	181,250
Outstanding common stock options
Class of Stock [Line Items]
Total (in shares)	7,745,936	6,796,669
Warrant
Class of Stock [Line Items]
Total (in shares)	31,426,248	31,426,248