Identifiable Intangible Assets and Goodwill - (Tables)

9 Months Ended

Sep. 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 September 30, 2015	$	22,495

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

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

	Gross Carrying Amount		Accumulated Amortization		Net
September 30, 2015
Finite-lived intangibles:
Developed technology	$	65,831	$	54,623	$	11,208
Customer and distributor relationships	9,561		8,082		1,479
Trade names	4,361		3,550		811
Total identifiable intangible assets	$	79,753	$	66,255	$	13,498
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