Contingencies Contingencies (Details)	Apr. 22, 2016 patent	Sep. 25, 2015 patent	Mar. 31, 2017 lawsuit
Loss Contingencies [Line Items]
Loss contingency, pending lawsuit, number | lawsuit			2
Civil Action No. 2:15-cv-1554 [Member] | Pending Litigation [Member]
Loss Contingencies [Line Items]
Loss contingency, patents allegedly infringed, number		4
Civil Action No. 2:15-cv-1554 [Member] | Pending Litigation [Member] | Patents Related to Company's Computer Hardware [Member]
Loss Contingencies [Line Items]
Loss contingency, patents allegedly infringed, number		2
Civil Action No. 2:15-cv-1554 [Member] | Pending Litigation [Member] | Patents Related to Third Party's Computer Software [Member]
Loss Contingencies [Line Items]
Loss contingency, patents allegedly infringed, number		2
Civil Action No. 2:16-cv-423 [Member] | Pending Litigation [Member]
Loss Contingencies [Line Items]
Loss contingency, patents allegedly infringed, number	5
Civil Action No. 2:16-cv-423 [Member] | Pending Litigation [Member] | Patents Related to Third Party's Computer Software [Member]
Loss Contingencies [Line Items]
Loss contingency, patents allegedly infringed, number	5