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

3 Months Ended

Mar. 31, 2016

Notes Tables

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

	March 31, 2016
	Gross Amount		Accumulated Amortization			Net Amount
Subject to amortization:
Know-how	$	1,018	$	(348	)	$	670
Developed technologies		6,466		(2,596	)		3,870
Total	$	7,484	$	(2,944	)	$	4,540

	December 31, 2015
	Gross Amount		Accumulated Amortization			Net Amount
Subject to amortization:
Know-how	$	1,018	$	(297	)	$	721
Developed technologies		6,466		(2,134	)		4,332
Total	$	7,484	$	(2,431	)	$	5,053

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

2016 (remaining nine months)	$	1,538
2017		2,051
2018		841
2019		110
Total	$	4,540