Note 8 - Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2014

Earnings Per Share [Abstract]

Schedule of Weighted Average Number of Shares [Table Text Block]

	Three Months Ended September 30,				Nine Months Ended September 30,
	2014		2013		2014		2013
	(In thousands)				(In thousands)
Weighted average number of shares used in computation of basic earnings per share		45,690		45,438		45,594		45,433
Add:
Additional shares from the assumed exercise of employee stock-based awards		412		56		323		21
Weighted average number of shares used in computation of diluted earnings per share		46,102		45,494		45,917		45,454