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Revenue Recognition (Details) - Remaining Performance Obligations
$ in Millions
Dec. 31, 2020
USD ($)
Digital Product Sales [Member]  
Revenue Recognition (Details) - Remaining Performance Obligations [Line Items]  
Revenue, Remaining Performance Obligation, Amount (in Dollars) $ 1.5
Digital Product Lease And Maintenance [Member]  
Revenue Recognition (Details) - Remaining Performance Obligations [Line Items]  
Revenue, Remaining Performance Obligation, Amount (in Dollars) $ 3.4