Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Research and development incentive income and receivable
Research and development expenses reimbursed (as a percent)			43.50%		43.50%
Research and development incentive income and receivable
Balance at the beginning of the period			$ 1,189	$ 73	$ 73
Australian research and development incentive income, net	$ 587	$ 244	624	$ 315	(1,226)
Cash received for 2020 eligible expenses					(111)
Foreign currency translation			(73)		1
Balance at the end of the period	1,740		1,740		1,189
Other Assets
Deposits with service providers that are to be applied to future payments	$ 51		$ 51		$ 293
Incremental borrowing rate	8.00%		8.00%