Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2022

Equity [Abstract]

Schedule of Shares of Common Stock Reserved for Future Issuance

Shares of common stock reserved for future issuance are as follows:

	June 30,		December 31,
	2022		2021
Common stock options issued and outstanding		12,541,406		11,707,568
Pre-funded warrants to purchase common stock		11,111,110		11,111,110
Common stock reserved and available for future grant under the 2014 Equity Incentive Plan		2,864,259		1,500,062
Common stock reserved for issuance under ESPP		3,669,417		2,914,710
Unvested restricted stock units		1,786,869		1,650,250
Total common stock reserved for future issuance		31,973,061		28,883,700