Net Loss Per Share - Antidilutive Securities (Details) - shares	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021
Employee stock options
Net Loss Per Share
Potentially dilutive securities	3,006,968	1,890,174
Restricted stock subject to forfeiture and restricted stock units
Net Loss Per Share
Potentially dilutive securities	46,859	259,874
Common stock warrants
Net Loss Per Share
Potentially dilutive securities	747,383	747,383

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration