Summary of Accounting Policies - Additional Information (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Accounting Policies [Line Items]
Total revenues	$ 16,640,000	$ 38,673,000	$ 36,662,000	$ 70,728,000
Allowance for doubtful accounts	1,785,000		1,785,000		$ 1,517,000
Contract liabilities	201,000		201,000		$ 357,000
Revenue that was included in deferred revenue	79,000		281,000
Non-US
Accounting Policies [Line Items]
Total revenues	$ 1,364,000	$ 7,093,000	$ 4,721,000	$ 11,357,000