May RPX License Agreement (Details Narative) $ in Thousands			3 Months Ended		9 Months Ended
	May 23, 2016 USD ($) shares	Nov. 23, 2015 USD ($) Number shares	Sep. 30, 2016 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2015 USD ($)	Dec. 31, 2015 USD ($)
Extinguishment preferred stock					$ 31,480
Short term deferred revenue			1,246		1,246		$ 290
Long term deferred revenue			3,529		3,529		$ 259
RPX Corporation [Member] | Series H Convertible Preferred Stock [Member]
License revenue			241		346
Extinguishment preferred stock					31,900
Fair value of preferred stock					414
Cash received from related party					4,400
Deemed dividend					31,500
Short term deferred revenue			1,100		1,100
Long term deferred revenue			3,700		$ 3,700
Deferred revenue amortized service period					5 years
Patent License Agreement [Member] | RPX Corporation [Member]
Number of patent | Number		101
Cash to acquire business		$ 300
Agreement term		2 years
License revenue		$ 600	$ 73		$ 217
Patent License Agreement [Member] | RPX Corporation [Member] | Series I Redeemable Convertible Preferred Stock [Member]
Mandatory redemption payment		$ 5,000
Patent License Agreement [Member] | RPX Corporation [Member] | Series H Convertible Preferred Stock [Member]
Number of shares cancelled | shares		57,076
Number of shares cancelled,value		$ 4,765,846
Percentage of shares cancellation		13.00%
Second Patent License Agreement [Member] | RPX Corporation [Member]
License revenue	$ 4,355
Second Patent License Agreement [Member] | RPX Corporation [Member] | Series H Convertible Preferred Stock [Member]
Number of shares cancelled | shares	381,967
Number of shares cancelled,value	$ 31,894,244
Percentage of shares cancellation	100.00%
Separate Agreement [Member] | RPX Corporation [Member] | VTech Telecommunications Ltd. [Member]
License revenue	$ 20