Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of indefinite-lived intangible assets

Our intangible assets include the following:

		March 31, 2017							December 31, 2016
	Weighted Average Useful Lives	Gross Carrying Value		Accumulated Amortization			Net Carrying Value		Gross Carrying Value		Accumulated Amortization			Net Carrying Value
Indefinite life intangible assets:
FCC licenses	Indefinite	$	2,083,654	$	—		$	2,083,654	$	2,083,654	$	—		$	2,083,654
Trademark	Indefinite	250,000		—			250,000		250,000		—			250,000
Definite life intangible assets:
Subscriber relationships	9 years	380,000		(371,477		)	8,523		380,000		(364,893		)	15,107
OEM relationships	15 years	220,000		(50,111		)	169,889		220,000		(46,444		)	173,556
Licensing agreements	12 years	45,289		(31,585		)	13,704		45,289		(30,664		)	14,625
Proprietary software	8 years	27,215		(19,979		)	7,236		27,215		(19,673		)	7,542
Developed technology	10 years	2,000		(1,733		)	267		2,000		(1,683		)	317
Total intangible assets		$	3,008,158	$	(474,885	)	$	2,533,273	$	3,008,158	$	(463,357	)	$	2,544,801

Schedule of finite-lived intangible assets

Our intangible assets include the following:

		March 31, 2017							December 31, 2016
	Weighted Average Useful Lives	Gross Carrying Value		Accumulated Amortization			Net Carrying Value		Gross Carrying Value		Accumulated Amortization			Net Carrying Value
Indefinite life intangible assets:
FCC licenses	Indefinite	$	2,083,654	$	—		$	2,083,654	$	2,083,654	$	—		$	2,083,654
Trademark	Indefinite	250,000		—			250,000		250,000		—			250,000
Definite life intangible assets:
Subscriber relationships	9 years	380,000		(371,477		)	8,523		380,000		(364,893		)	15,107
OEM relationships	15 years	220,000		(50,111		)	169,889		220,000		(46,444		)	173,556
Licensing agreements	12 years	45,289		(31,585		)	13,704		45,289		(30,664		)	14,625
Proprietary software	8 years	27,215		(19,979		)	7,236		27,215		(19,673		)	7,542
Developed technology	10 years	2,000		(1,733		)	267		2,000		(1,683		)	317
Total intangible assets		$	3,008,158	$	(474,885	)	$	2,533,273	$	3,008,158	$	(463,357	)	$	2,544,801

Years in which satellite licenses expire

The following table outlines the years in which each of our satellite licenses expires:

FCC satellite licenses	Expiration year
SIRIUS FM-5	2025
SIRIUS FM-6	2022
XM-3	2021
XM-4	2022
XM-5	2018

Expected future amortization expense

Expected amortization expense for the remaining period in 2017, each of the fiscal years 2018 through 2021 and for periods thereafter is as follows:

Years ending December 31,	Amount
2017 (remaining)	$	23,354
2018	19,463
2019	19,026
2020	18,446
2021	15,576
Thereafter	103,754
Total definite life intangible assets, net	$	199,619