Note 6 - Earnings Per Share ("EPS") (Tables)

3 Months Ended

Mar. 31, 2015

Earnings Per Share [Abstract]

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

	Three Months Ended March 31,
	2015		2014
Shares used in the calculation of basic earnings per share		14,905,322		14,461,367
Effect of dilutive securities:
Stock options, SARs, and RSAs		424,732		1,038,080
Diluted shares used in the calculation of earnings per share		15,330,054		15,499,447