Intangible Assets

3 Months Ended

Mar. 31, 2016

Goodwill And Intangible Assets Disclosure [Abstract]

Intangible Assets

4. Intangible Assets

Intangible assets consisted of the following (in thousands):

	March 31, 2016
	Gross carrying		Accumulated		Net carrying
	amount		amortization		amount
Customer relationships	$	1,628	$	(1,187)	$	441
Artist relationships		11,719		(9,209)		2,510
Media content		93,725		(84,611)		9,114
Technology		5,854		(3,088)		2,766
Non-compete agreements		217		(179)		38
Trade names		7,140		(3,702)		3,438
	$	120,283	$	(101,976)	$	18,307

	December 31, 2015
	Gross carrying		Accumulated		Net carrying
	amount		amortization		amount
Customer relationships	$	1,628	$	(1,107)	$	521
Artist relationships		11,719		(8,340)		3,379
Media content		95,785		(85,018)		10,767
Technology		5,854		(2,842)		3,012
Non-compete agreements		217		(160)		57
Trade names		7,150		(3,554)		3,596
	$	122,353	$	(101,021)	$	21,332

Identifiable finite-lived intangible assets are amortized on a straight-line basis over their estimated useful lives commencing on the date that the asset is available for its intended use.

Total amortization expense for the periods shown below includes (in thousands):

	Three months ended March 31,
	2016		2015
Service costs	$	1,700	$	2,835
Sales and marketing		949		1,016
Product development		247		701
General and administrative		136		159
Total amortization	$	3,032	$	4,711

Service costs include accelerated amortization charges of less than $0.1 million for the three months ended March 31, 2016 and 2015, as a result of removing certain assets from service.