Goodwill and Intangible Assets (Details Narrative) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Jun. 30, 2015	Sep. 30, 2015	Sep. 30, 2014
Goodwill and Intangible Assets Disclosure [Abstract]
Event requiring that goodwill be tested for impairment			The market price of the Common Stock decreased from $1.13 to $0.48
Finite-lived intangible assets amortization expense	$ 700	$ 2,500		$ 5,600	$ 7,400
Weighted average life in years of patent portfolios				5 years 1 month 17 days
Fair value of the patent portfolio	$ 9,800		$ 14,600	$ 9,800
Impairment charge of patent portfolio			$ 35,500	$ 1,700