Note 6 - Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2019

Notes Tables

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

	March 31, 201 9						December 31, 201 8
	Gross		Accumulated Amortization		Net		Gross		Accumulated Amortization		Net
Developed technology	$	186,800	$	96,102	$	90,698	$	186,800	$	86,378	$	100,422
Customer relationships		70,540		24,113		46,427		70,540		21,681		48,859
Trade name		2,310		1,465		845		2,310		1,350		960
Patents		1,579		915		664		1,579		881		698
Software		61,670		35,683		25,987		61,406		31,898		29,508
	$	322,899	$	158,278	$	164,621	$	322,635	$	142,188	$	180,447

Finite-lived Intangible Assets Amortization Expense [Table Text Block]

	Three Months Ended March 31,
	201 9		201 8
Cost of goods sold	$	9,724	$	6,699
Research and development		5,402		4,556
Sales and marketing		2,432		2,432
General and administrative		149		155
	$	17,707	$	13,842

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

2019 (remaining)	$	51,140
2020		39,426
2021		33,410
2022		24,346
2023		15,460
Thereafter		839
	$	164,621

Finite Lived Intangible Assets Remaining Amortization Period [Table Text Block]

Developed technology	3.4
Customer relationship	4.8
Trade name	2.5
Patents	8.0
Software	1.6