Note 4 - Goodwill and Acquisition-related Intangible Assets, Net (Tables)

3 Months Ended

Mar. 31, 2017

Notes Tables

Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block]

	March 31, 2017
	Gross Amount		Accumulated Amortization			Net Amount
Know-how	$	1,018	$	(551	)	$	467
Developed technologies		6,466		(4,444	)		2,022
Total	$	7,484	$	(4,995	)	$	2,489

	December 31, 2016
	Gross Amount		Accumulated Amortization			Net Amount
Know-how	$	1,018	$	(500	)	$	518
Developed technologies		6,466		(3,982	)		2,484
Total	$	7,484	$	(4,482	)	$	3,002

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

2017 (remaining nine months)	$	1,538
2018		841
2019		110
Total	$	2,489