Commitments and Contingencies (Details)	3 Months Ended
	Sep. 30, 2015
Constellation Technologies, LLC [Member]
Loss Contingencies [Line Items]
Asserting Party	Constellation Technologies, LLC
Jurisdiction	U.S. District Court Eastern District of Texas
Patents at Issue	U.S. Patent Nos. 6,128,649, 6,901,048, 7,154,879 and 6,845,389
Trans Video Electronics Ltd. [Member]
Loss Contingencies [Line Items]
Asserting Party	Trans Video Electronics Ltd.
Jurisdiction	U.S. District Court of Delaware
Patents at Issue	U.S. Patent Nos. 5,594,936 and 5,991,801
Broadband iTV, Inc. [Member]
Loss Contingencies [Line Items]
Asserting Party	Broadband iTV, Inc.
Jurisdiction	U.S. District Court of Hawaii
Patents at Issue	U.S. Patent No. 7,361,336
Sprint Communications Company LP [Member]
Loss Contingencies [Line Items]
Asserting Party	Sprint Communications Company, L.P.
Jurisdiction	U.S. District Court Eastern District of Pennsylvania
Patents at Issue	U.S. Patent Nos. 6,754,907 and 6,757,907
FutureVision com LLC [Member]
Loss Contingencies [Line Items]
Asserting Party	FutureVision.com LLC
Jurisdiction	U.S. District Court Eastern District of Texas
Patents at Issue	U.S. Patent No. 5,877,755