Related Party Transactions - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2021 USD ($) Employee	Dec. 31, 2020 USD ($) Employee	Dec. 31, 2019 USD ($) Employee
Related Party Transaction [Line Items]
Loan amount due	$ 43,164,000	$ 38,549,000
Austrian Subsidiary [Member]
Related Party Transaction [Line Items]
Interest rate	3.00%
Loan amount due	$ 100,000
Debt instrument expiration year	2025
Related party transaction lease expenses paid	$ 200,000	200,000	$ 200,000
Czech Republic Subsidiary [Member]
Related Party Transaction [Line Items]
Related party transaction lease expenses paid	$ 300,000	$ 200,000	$ 200,000
Related party transaction lease expiration term	5 years	5 years	5 years
Number of employees | Employee	2	2	2
X Information Technology [Member]
Related Party Transaction [Line Items]
Service expense	$ 0	$ 0	$ 100,000
Baker & Hostetler LLP [Member]
Related Party Transaction [Line Items]
Legal fees	$ 100,000	$ 100,000	$ 100,000
Mr. Sunkle [Member]
Related Party Transaction [Line Items]
Consulting agreement expiration date	Dec. 31, 2025