Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2020

Equity [Abstract]

Schedule of Common Stock Reserved for Issuance

The Company has reserved shares of common stock for issuance as follows:

	March 31, 2020		December 31, 2019
Options and awards issued and outstanding		6,181,912		5,315,254
Shares available for issuance under 2015 Stock Option and Incentive Plan		1,440,826		685,435
Shares available for issuance under 2015 Employee Stock Purchase Plan		1,604,331		1,140,541
Total		9,227,069		7,141,230