Identifiable Intangible Assets - (Tables)

6 Months Ended

Jun. 30, 2016

Identifiable Intangible Assets [Abstract]

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

Purchased intangible assets as of June 30, 2016 and December 31, 2015 are as follows:

	Gross Carrying Amount		Accumulated Amortization		Net
June 30, 2016
Finite-lived intangibles:
Developed technology	$	65,527	$	56,074	$	9,453
Customer and distributor relationships	9,560		8,346		1,214
Trade names	4,361		3,625		736
Total identifiable intangible assets	$	79,448	$	68,045	$	11,403
December 31, 2015
Finite-lived intangibles:
Developed technology	$	65,527	$	55,110	$	10,417
Customer and distributor relationships	9,560		8,170		1,390
Trade names	4,361		3,575		786
Total identifiable intangible assets	$	79,448	$	66,855	$	12,593