Intangible Assets (Details Narrative) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Jun. 30, 2015	Dec. 31, 2016	Dec. 31, 2015
Goodwill and Intangible Assets Disclosure [Abstract]
Fair value of the patent portfolio	$ 14,600	$ 5,000	$ 9,800
Impairment charge of patent portfolio	$ 35,500
Additional impairment charge of patent portfolio		2,700	3,400
Amortization of patent portfolio		$ 5,000	$ 9,800
Weighted average life in years		3 years 7 months 24 days	4 years 7 months 17 days