Corporate restructuring (Additional Information) (Details) $ in Millions		1 Months Ended	3 Months Ended	12 Months Ended
	Feb. 28, 2022 Positions	Oct. 31, 2021 USD ($) Positions	Mar. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Restructuring Cost and Reserve [Line Items]
Percentage of Workforce	80.00%	26.00%
Reduction of the Company's workforce positions | Positions	24	11
Severance cost		$ 1.4	$ 1.7
Restructuring Costs			1.7
Unpaid severance costs			1.5	$ 0.9
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Severance cost			1.1
October 2021 [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Costs		$ 0.9
February 2022 [Member]
Restructuring Cost and Reserve [Line Items]
Severance cost			0.2
General and Administrative [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Costs			0.7
Research and Development [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Costs			$ 1.0