Convertible preferred stock and members's/stockholders' equity (deficit) - Schedule of Common Stock Warrants (Details)	12 Months Ended
Dec. 31, 2021 $ / shares shares
Class Of Stock [Line Items]
Exercise price per share	$ 18.31
March 12, 2022 [Member]
Class Of Stock [Line Items]
Outstanding and exercisable \| shares	151,088
Exercise price per share	$ 132.37
Expiration date	Mar. 12, 2022

The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iii)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant