Note 15 - Share-Based Payments (Tables)

12 Months Ended

Jun. 30, 2013

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

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

	2013			2012			2011
Expected lives (years)		6.0			6.0			6.0
Expected volatility		72.6	%		72.9	%		72.8	%
Risk-free interest rate		0.75	%		1.92	%		2.05	%
Dividend yield		1.089	%		0.840	%		0.154	%

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

	2013					2012					2011
	Shares			Weighted- Average Exercise Price		Shares			Weighted- Average Exercise Price		Shares			Weighted- Average Exercise Price
Outstanding at beginning of year		822,846		$	10.55		1,096,793		$	8.29		1,322,803		$	8.79
Granted at market		87,916			29.39		97,981			28.49		255,439			10.39
Exercised		(308,331	)		8.12		(363,054	)		8.41		(424,041	)		9.46
Forfeited		(2,688	)		21.10		(8,874	)		17.34		(7,408	)		5.53
Expired		-			-		-			-		(50,000	)		22.65
Outstanding at end of year		599,743		$	14.51		822,846		$	10.55		1,096,793		$	8.29
Exercisable at end of year		380,633		$	9.80		563,460		$	7.58		733,009		$	8.19

Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]

	2013					2012					2011
	Shares			Weighted- Average Price		Shares			Weighted- Average Price		Shares			Weighted- Average Price
Nonvested at beginning of year		648,872		$	16.83		709,451		$	8.29		581,858		$	6.55
Granted at market		149,878			29.42		129,222			28.78		313,899			10.22
Vested		(105,971	)		16.24		(184,422	)		6.72		(184,209	)		6.13
Forfeited		(52,354	)		10.99		(5,379	)		15.08		(2,097	)		5.04
Nonvested at end of year		640,425		$	16.78		648,872		$	16.83		709,451		$	8.29