Annual report pursuant to Section 13 and 15(d)

Contract Assets and Liabilities - Components of Contract Assets and Liabilities (Details)

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Contract Assets and Liabilities - Components of Contract Assets and Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Disaggregation of Revenue [Line Items]    
Unbilled revenue $ 788 $ 749
Contract assets 890 3,047
Total contract assets - current 1,678 3,796
Total contract liabilities - current 11,266 14,537
Long-term contract liabilities 568 2,559
Contract Comission    
Disaggregation of Revenue [Line Items]    
Total contract liabilities - current 184 507
Services Minus Contract Commissions    
Disaggregation of Revenue [Line Items]    
Total contract liabilities - current $ 11,082 $ 14,030