Note 6 - Goodwill and Acuisition-Related Intangible Assets, Net (Tables)

12 Months Ended

Dec. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

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

	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

	December 31, 2014
	Gross Amount		Accumulated Amortization			Net Amount
Subject to amortization:
Know-how	$	1,018	$	(93	)	$	925
Developed technologies		4,421		(579	)		3,842
Not subject to amortization:
IPR&D		2,045		-			2,045
Total	$	7,484	$	(672	)	$	6,812

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

2016	$	2,051
2017		2,051
2018		841
2019		110
Total	$	5,053