Income Taxes - Additional Information (Details) - USD ($)	1 Months Ended	3 Months Ended
	Dec. 31, 2015	Mar. 31, 2022	Mar. 31, 2021
Operating Loss Carryforwards [Line Items]
Provision for income taxes		$ 0	$ 0
Research and development tax credit utilized as reduction of payroll expenses		$ 79,000	$ 154,000
Research and development tax credit utilized against employer's portion of payroll tax	$ 250,000
U S [Member]
Operating Loss Carryforwards [Line Items]
Research and development activities amortize period		5 years
Non - U S [Member]
Operating Loss Carryforwards [Line Items]
Research and development activities amortize period		15 years