Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2022

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:

	As of March 31,
	2022	2021
2027 Notes	12,321,900	12,321,900
Shares issuable upon exercise of stock options	13,321,692	11,390,231
Non-vested shares under restricted stock grants	2,415,204	4,011,189
Total potentially dilutive securities	28,058,796	27,723,320