Identifiable Intangible Assets and Goodwill - (Tables)

6 Months Ended

Jun. 30, 2015

Identifiable Intangible Assets and Goodwill [Abstract]

Schedule of Goodwill [Table Text Block]

The changes in the carrying amount of goodwill are as follows:

Balance at December 31, 2014	$	22,495
Goodwill acquired during period	—
Balance at June 30, 2015	$	22,495

Schedule of Finite-Lived Intangible Assets by Major Class [Table Text Block]

Purchased intangible assets as of June 30, 2015 and December 31, 2014 are as follows:

	Gross Carrying Amount		Accumulated Amortization		Net
June 30, 2015
Finite-lived intangibles:
Developed technology	$	59,831	$	54,221	$	5,610
Customer and distributor relationships	9,560		7,993		1,567
Trade names	4,361		3,525		836
Total identifiable intangible assets	$	73,752	$	65,739	$	8,013
December 31, 2014
Finite-lived intangibles:
Developed technology	$	59,831	$	53,417	$	6,414
Customer and distributor relationships	9,560		7,818		1,742
Trade names	4,361		3,475		886
Total identifiable intangible assets	$	73,752	$	64,710	$	9,042