Note 3 - Acquisition (Tables)

9 Months Ended

Sep. 30, 2014

Business Combinations [Abstract]

Schedule of Business Acquisitions by Acquisition, Contingent Consideration [Table Text Block]

Cash paid at the Acquisition Date	$	11,735
Contingent consideration		2,507
Total	$	14,242

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]

Cash	$	145
Other tangible assets acquired, net of liabilities assumed		42
Intangible assets:
Know-how		1,018
Developed technologies		4,421
IPR&D		2,045
Total identifiable net assets acquired		7,671
Goodwill		6,571
Total net assets acquired	$	14,242

Business Acquisition, Pro Forma Information [Table Text Block]

	Three Months Ended September 30,				Nine Months Ended September 30,
	2014		2013		2014		2013
Revenue	$	78,336	$	65,357	$	206,882	$	174,589
Net income	$	11,025	$	6,801	$	24,886	$	13,351
Diluted net income per share	$	0.28	$	0.17	$	0.63	$	0.35