Summary Accounting Policies and Recent Accounting Pronouncements- Summary of Balances of Contract Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Summary Of Accounting Policies [Line Items]
Less: long-term portion	$ 747	$ 771
Contract liabilities – current	747	771
Extended Service Contracts
Summary Of Accounting Policies [Line Items]
Total contract liabilities	187	251
Subscription Software Licenses
Summary Of Accounting Policies [Line Items]
Less: long-term portion	$ 560	$ 520