Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2015

Goodwill And Intangible Assets Tables

Amortization to acquired intangible assets

The net carrying amounts related to acquired intangible assets as of December 31, 2015 are as follows ($ in thousands):

	Net Carrying Amount			Weighted average  amortization period (years)
Patent Portfolios at December 31, 2013, net	$	64,835			6.62
Amortization expenses		(9,831	)
Patent Portfolios at December 31, 2014, net	$	55,004			5.62
Amortization expenses		(6,317	)
Impairment loss		(38,888	)
Patent Portfolios at December 31, 2015, net	$	9,799			4.63

The amortization expenses related to acquired intangible assets for the years ended December 31, 2015 and 2014 are as follows ($ in thousands):

	For the Years Ended December 31,
Date Acquired and Description	2015		2014
7/24/13 - Rockstar patent portfolio	$	303	$	470
9/10/13 - North South patent portfolio		84		130
12/31/13 - Rockstar patent portfolio		5,930		9,231
	$	6,317	$	9,831

Future amortization of all patents

The future amortization of these intangible assets was based on the adjusted carrying amount. Future amortization of all patents is as follows ($ in thousands):

	Rockstar		North South		Rockstar
	Portfolio		Portfolio		Portfolio
	Acquired		Acquired		Acquired		Total
	24-Jul-13		10-Sep-13		31-Dec-13		Amortization
Year Ended December 31, 2016	$	104	$	31	$	2,000	$	2,135
Year Ended December 31, 2017		104		30		1,995		2,129
Year Ended December 31, 2018		104		30		1,995		2,129
Year Ended December 31, 2019		104		31		1,994		2,129
Year Ended December 31, 2020		104		31		995		1,130
Thereafter		110		37		-		147
Total	$	630	$	190	$	8,979	$	9,799