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Revenue Recognition (Details)
3 Months Ended
Mar. 31, 2019
USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-04-01  
Revenue Recognition (Details) [Line Items]  
Revenue, Remaining Performance Obligation, Percentage 84.00%
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-04-01  
Revenue Recognition (Details) [Line Items]  
Revenue, Remaining Performance Obligation, Percentage 13.00%
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-04-01 | Minimum [Member]  
Revenue Recognition (Details) [Line Items]  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 13 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-04-01 | Maximum [Member]  
Revenue Recognition (Details) [Line Items]  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 36 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-04-01  
Revenue Recognition (Details) [Line Items]  
Revenue, Remaining Performance Obligation, Percentage 3.00%
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 37 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: (nil)  
Revenue Recognition (Details) [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
Operating Leases, Future Minimum Payments Receivable $ 2,167,000
Operating Leases, Future Minimum Payments Receivable, Current 648,000
Operating Leases, Future Minimum Payments Receivable, in Two Years 951,000
Operating Leases, Future Minimum Payments Receivable, in Three Years 328,000
Operating Leases, Future Minimum Payments Receivable, in Four Years 132,000
Operating Leases, Future Minimum Payments Receivable, in Five Years 68,000
Operating Leases, Future Minimum Payments Receivable, Thereafter $ 40,000
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: (nil) | Minimum [Member]  
Revenue Recognition (Details) [Line Items]  
Lease And Maintenance, Term Of Contract 1 month
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: (nil) | Maximum [Member]  
Revenue Recognition (Details) [Line Items]  
Lease And Maintenance, Term Of Contract 10 years
Digital Product Sales [Member] | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: (nil)  
Revenue Recognition (Details) [Line Items]  
Revenue, Remaining Performance Obligation, Amount $ 3,000,000
Digital Product Lease And Maintenance [Member] | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: (nil)  
Revenue Recognition (Details) [Line Items]  
Revenue, Remaining Performance Obligation, Amount $ 2,200,000