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		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Reconciliation of the Denominators Used in the Computation of Net Income per Common Share [Abstract]
Weighted shares of common stock outstanding – basic	5,655,146	5,537,677	5,648,025	5,529,430
Dilutive impact of share-based awards	119,602	134,168	122,182	139,586
Weighted shares of common stock outstanding – diluted	5,774,748	5,671,845	5,770,207	5,669,016