Summary of Significant Accounting Policies - Net loss per share (Details) - shares	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Net loss per share
Anti-dilutive securities	4,184,047	16,747,587
Convertible preferred stock and exchangeable shares
Net loss per share
Anti-dilutive securities		9,936,148
Stock options
Net loss per share
Anti-dilutive securities	4,184,047	3,553,288
Conversion of convertible promissory note
Net loss per share
Anti-dilutive securities		3,258,151

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