Nature of the business and basis of presentation (Details) $ / shares in Units, $ in Thousands						12 Months Ended
	Oct. 13, 2021 USD ($)	Aug. 04, 2021 $ / shares shares	Apr. 28, 2021 USD ($) item $ / shares shares	Oct. 13, 2020 $ / shares shares	Oct. 06, 2020 $ / shares shares	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Oct. 14, 2021 USD ($)	Oct. 01, 2021 USD ($)
Net loss						$ (24,711)	$ (17,837)
Accumulated deficit						(79,105)	$ (54,394)
Stock issued | shares		14,115
Share price | $ / shares		$ 15.94
Proceeds from issuance of common stock	$ 41,700					1,338
Payments of underwriting discounts and commissions	$ 3,100
IPO
Stock issued | shares					3,250,000
Share price | $ / shares					$ 12.00
Proceeds from issuance of common stock						41,700
Payments of underwriting discounts and commissions						$ 3,100
Over-Allotment Option
Stock issued | shares				487,500
Share price | $ / shares				$ 12.00
Private offering
Stock issued | shares			1,000,000
Share price | $ / shares			$ 27.00
Proceeds from issuance of common stock			$ 27,000
Net proceeds from issuance of common stock			$ 26,400
Number of units issued | shares			1,000,000
Number of share for company's common stock | item			1
Number of warrants | shares			1
Shelf Registration Statement | Maximum
Securities aggregate price								$ 200,000
Open Market Sale | Maximum
Securities aggregate price									$ 75,000