Note M - Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2014

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	2014		2013		2012
	(in thousands)
Basic weighted-average shares outstanding		19,608		19,755		19,663
Effect of potential exercise of stock options and unvested restricted stock and RSUs		389		431		294
Diluted weighted-average shares outstanding		19,997		20,186		19,957