Net Loss Per Common Share (Details) - shares	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Net (Loss) Income Per Common Share
Total potential dilutive shares (in shares)	51,816,979	13,148,231
Common shares under option
Net (Loss) Income Per Common Share
Total potential dilutive shares (in shares)	4,101,259	4,030,575
Common shares under PBSOs
Net (Loss) Income Per Common Share
Total potential dilutive shares (in shares)	122,700	0
Unvested RSUs
Net (Loss) Income Per Common Share
Total potential dilutive shares (in shares)	1,978,717	639,581
Unvested PBRSUs
Net (Loss) Income Per Common Share
Total potential dilutive shares (in shares)	602,750	0
Shares issuable related to the ESPP
Net (Loss) Income Per Common Share
Total potential dilutive shares (in shares)	40,257	17,838
Shares issuable upon conversion of convertible notes
Net (Loss) Income Per Common Share
Total potential dilutive shares (in shares)	8,007,010	8,460,237
Warrants
Net (Loss) Income Per Common Share
Total potential dilutive shares (in shares)	36,964,286	0