Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2013

Intangible Assets [Abstract]

Acquired Intangible Assets by Major Class

The following table summarizes the components of intangible assets (in thousands):

	Non-compete			Partner Relationships			Customer Base			Technology Rights			Tradenames			Indefinite Life Intangibles		Total
As of March 31, 2013
Gross carrying value	$	593		$	145		$	641		$	5,330		$	760		$	250	$	7,719
Accumulated amortization		(439	)		(145	)		(270	)		(1,949	)		(476	)		—		(3,279	)
Net carrying value	$	154		$	—		$	371		$	3,381		$	284		$	250	$	4,440
As of December 31, 2012
Gross carrying value	$	593		$	145		$	641		$	5,330		$	760		$	250	$	7,719
Accumulated amortization		(426	)		(145	)		(239	)		(1,700	)		(434	)		—		(2,944	)
Net carrying value	$	167		$	—		$	402		$	3,630		$	326		$	250	$	4,775

The following table summarizes the components of purchased technology (in thousands):

	As of March 31, 2013			As of December 31, 2012
Purchased technology	$	350		$	350
Accumulated amortization		(309	)		(288	)
Total purchased technology, net	$	41		$	62

Expected Amortization Expense

The estimated future amortization expense of intangible assets, with the exception of the indefinite-life intangible assets as of March 31, 2013 is as follows (in thousands):

Fiscal Year	Amount
2013 (April-December)	$	986
2014		1,091
2015		1,069
2016		1,028
2017		16
Total	$	4,190
Weighted average remaining useful life	3.59 years