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Revenues (Schedule of Customers Accounting for 10% or More of Net Revenues and Accounts Receivable Balance) (Details) - Customer Concentration Risk | 3 Months Ended
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Sep. 30, 2020 | Jun. 30, 2020 | Sep. 30, 2019
Westcon Group Inc. | Net Revenue |  |  |  |
Concentration Risk [Line Items] |  |  |  |
Concentration risk (percent) | 13.00% |  |  | 10.00%
Westcon Group Inc. | Accounts Receivable |  |  |  |
Concentration Risk [Line Items] |  |  |  |
Concentration risk (percent) | 12.00% | 0.00% | [1] |
Jenne Corporation | Net Revenue |  |  |  |
Concentration Risk [Line Items] |  |  |  |
Concentration risk (percent) | 15.00% |  |  | 14.00%
Jenne Corporation | Accounts Receivable |  |  |  |
Concentration Risk [Line Items] |  |  |  |
Concentration risk (percent) | 22.00% | 25.00% |  |
Tech Data Corporation | Net Revenue |  |  |  |
Concentration Risk [Line Items] |  |  |  |
Concentration risk (percent) | 27.00% |  |  | 16.00%
Tech Data Corporation | Accounts Receivable |  |  |  |
Concentration Risk [Line Items] |  |  |  |
Concentration risk (percent) | 33.00% | 23.00% |  |
[1] | Less than 10% of accounts receivable.

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