Note 5 - Goodwill and Acquisition-related Intangible Assets, Net (Tables)

6 Months Ended

Jun. 30, 2018

Notes Tables

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

	June 30, 2018
	Gross Amount		Accumulated Amortization			Net Amount
Know-how	$	1,018	$	(806	)	$	212
Developed technologies		6,466		(6,174	)		292
Total	$	7,484	$	(6,980	)	$	504

	December 31, 2017
	Gross Amount		Accumulated Amortization			Net Amount
Know-how	$	1,018	$	(704	)	$	314
Developed technologies		6,466		(5,829	)		637
Total	$	7,484	$	(6,533	)	$	951

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

2018 (remaining six months)	$	394
2019		110
Total	$	504