Note 3 - Stock-based Compensation (Tables)

9 Months Ended

Mar. 31, 2013

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

Risk free interest rate	1.60	%
Option life (in years)	10
Dividend yield	7.04	%
Volatility	32.68	%

Schedule of Stock Options Roll Forward [Table Text Block]

	For the nine months ended
	March 31, 2013					March 31, 2012
	Shares			Weighted Average  Exercise Price		Shares			Weighted Average  Exercise Price
Options outstanding at beginning of period		26,240		$	12.19		42,327		$	12.17
Exercised		(13,543	)		12.13		( 2,886	)		12.13
Granted		10,000			16.00		-			-
Options outstanding at end of period		22,697		$	13.91		39,441		$	12.17
Options exercisable at end of period		12,697					39,441

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

			As of March 31, 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		0.79	$	12.26		12,697	$	12.26
	16.00	-	16.00		10,000		9.33		16.00		-		-
	$  9.96	-	16.00		22,697		4.55	$	13.91		12,697	$	12.26