Commitments and Contingencies (Details 1)	12 Months Ended
	Jun. 30, 2017
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, L.P. [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