Note 8 - Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2014

Earnings Per Share [Abstract]

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

	Three Months Ended June 30,				Six Months Ended June 30,
	2014		2013		2014		2013
	(In thousands)				(In thousands)
Weighted average number of shares used in computation of basic earnings per share		45,606		45,431		45,545		45,431
Add:
Additional shares from the assumed exercise of employee stock-based awards		357		17		282		12
Weighted average number of shares used in computation of diluted earnings per share		45,963		45,448		45,827		45,443