Note 14 - Capital Structure and Stock-based Compensation (Tables)

12 Months Ended

Jun. 30, 2015

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

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	%
Fair value	2.21

Schedule of Stock Options Roll Forward [Table Text Block]

	June 30,
	2015				2014					2013
	Shares		Weighted Average Exercise Price		Shares			Weighted Average Exercise Price		Shares			Weighted Average Exercise Price
Options outstanding at beginning of period		10,000	$	16.00		22,697		$	13.91		26,240		$	12.19
Exercised		-		-		(12,697	)		12.26		(13,543	)		12.13
Granted		-		-		-			-		10,000			16.00
Options outstanding at end of period		10,000	$	16.00		10,000		$	16.00		22,697		$	13.91
Options exercisable at end of period		4,000				2,000					12,697
Shares available for issuance		2,115,246				2,010,647					1,906,175

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

As of June 30, 2015
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
$16.00	-	$16.00		10,000		7.08		$16.00		4,000		$16.00