Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2020

Accounting Policies [Abstract]

Schedule of Potentially Dilutive Securities not Included in Calculation of Diluted Net Loss Per Share

The table below provides potentially dilutive securities not included in the calculation of the diluted net loss per share because to do so would be anti-dilutive:

	December 31,
	2020	2019	2018
Shares issuable upon conversion of Series Seed convertible preferred stock	—	—	4,444,444
Shares issuable upon conversion of Series A convertible preferred stock	—	—	10,158,710
Shares issuable upon conversion of Series B convertible preferred stock	—	—	15,890,306
2027 Notes	12,321,900	—	—
Shares issuable upon exercise of stock options	9,401,082	8,538,060	5,107,329
Non-vested shares under restricted stock grants	3,330,821	4,648,526	7,482,032