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SUPPLEMENTAL CONSOLIDATED FINANCIAL STATEMENT INFORMATION - Deferred Costs and Deferred Revenue (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Jan. 01, 2022
Dec. 31, 2021
Jan. 01, 2021
Deferred costs     $ 972   $ 1,847
Total deferred costs amortized $ 1,648 $ 3,822      
Deferred revenue 489 0 $ 1,344 $ 1,344 $ 1,779
Revenue recognized that was included in deferred revenue balances at beginning of period 936 1,779      
Prepaid expenses and other current assets          
Deferred costs $ 147 $ 0