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Legal Proceedings and Other Matters Commitments and Contingencies (Details) |  |  | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Apr. 12, 2016 claims | Mar. 22, 2016 claims | Aug. 31, 2015 USD ($) patent | Jul. 31, 2012 patent | Apr. 30, 2016 USD ($) | Feb. 22, 2016 claims
Legacy TCS IP Matters [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Estimate of possible loss | $ |  |  |  |  | $ 4,500,000 |
CallWave Communications LLC [Member] | Pending Litigation [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Number of patents allegedly infringed | patent |  |  |  | 1 |  |
IP Cube Partners Co. Ltd. [Member] | Pending Litigation [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Number of patents allegedly infringed | patent |  |  | 2 |  |  |
Damages sought | $ |  |  | $ 2,300,000 |  |  |
TCS Acquisition Related Lawsuits [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Number of complaints | claims |  |  |  |  |  | 5
Number of complaints dismissed | claims | 2 | 3 |  |  |  |

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