Note 3 - Net Income Per Common Share (Details) - Reconciliation of the Denominators Used in the Computation of Net Income per Common Share	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Reconciliation of the Denominators Used in the Computation of Net Income per Common Share [Abstract]
Weighted shares of common stock outstanding – basic	5,667,810	5,548,201	5,654,620	5,535,687
Dilutive impact of share-based awards	107,957	136,314	113,364	138,007
Weighted shares of common stock outstanding – diluted	5,775,767	5,684,515	5,767,984	5,673,694