Note 3 - Stock-based Compensation (Tables)

3 Months Ended

Sep. 30, 2013

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Stock Options Roll Forward [Table Text Block]

	Three months ended
	September 30, 2013				September 30, 2012
	Shares		Weighted Average  Exercise Price		Shares			Weighted Average  Exercise Price
Options outstanding at the beginning of period		22,697	$	13.91		26,240		$	12.19
Granted		-		-		10,000			16.00
Exercised		-		-		(13,543	)		12.13
Canceled/expired		-		-		-			-
Options outstanding at end of period		22,697	$	13.91		22,697		$	13.91
Options exercisable at end of period		14,697				12,697

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]

As of September 30, 2013
Options Outstanding										Options Exercisable
Range of Exercise prices					Number Outstanding		Weighted Average Remaining Contractual Life (in years)	Weighted Average Exercise Price		Number Exercisable		Weighted Average Exercise Price
$	9.96	-	$	12.49		12,697	0.29	$	12.26		12,697	$	12.26
	16.00	-		16.00		10,000	8.83		16.00		2,000		16.00
$	9.96	-	$	16.00		22,697	4.05	$	13.91		14,697	$	12.77