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Revenue Recognition (Details) - Performance Obligations
9 Months Ended
Sep. 30, 2019
USD ($)
Revenue Recognition (Details) - Performance Obligations [Line Items]  
Segment Reporting Information, Description of Products and Services The Company has two primary revenue streams which are Digital product sales and Digital product lease and maintenance.
Lessor, Operating Lease, Payments to be Received $ 1,843,000
Lessor, Operating Lease, Payments to be Received, Remainder of Fiscal Year 213,000
Lessor, Operating Lease, Payments to be Received, Two Years 1,025,000
Lessor, Operating Lease, Payments to be Received, Three Years 329,000
Lessor, Operating Lease, Payments to be Received, Four Years 137,000
Lessor, Operating Lease, Payments to be Received, Five Years 71,000
Lessor, Operating Lease, Payments to be Received, Thereafter $ 68,000
Minimum [Member]  
Revenue Recognition (Details) - Performance Obligations [Line Items]  
Lease And Maintenance, Term Of Contract 1 month
Maximum [Member]  
Revenue Recognition (Details) - Performance Obligations [Line Items]  
Lease And Maintenance, Term Of Contract 10 years