Nature of the business and basis of presentation (Details) - USD ($) $ / shares in Units, $ in Thousands			1 Months Ended	12 Months Ended
	Oct. 13, 2020	Oct. 06, 2020	Oct. 31, 2020	Dec. 31, 2020	Dec. 31, 2019
Net loss				$ (17,837)	$ (10,444)
Accumulated deficit				(54,394)	$ (36,557)
Proceeds from Issuance of Common Stock				44,850
IPO
Share price		$ 12.00	$ 12.00
Stock Issued		3,250,000	3,757,500
Proceeds from Issuance of Common Stock			$ 41,700	41,700
Payments Of Underwriting Discounts And Commissions			$ 3,100	$ 3,100
Over-Allotment Option
Share price	$ 12.00
Stock Issued	487,500		487,500