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Schedule of Changes in Contract with Customer Liabilities (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2022
USD ($)
Deferred revenue:  
Unearned revenue December 31, 2021 $ 1,513
Unearned billings 1,771
Revenue recognized (2,007)
Unearned revenue March 31, 2022 $ 1,277