Note 4 - Stock-based Compensation (Tables)

12 Months Ended

Jun. 30, 2015

Notes Tables

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

Risk-free interest rate	1.0	%
Expected life (years)	6.0
Expected stock volatility	52.3	%
Expected dividend yield	4.0	%

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

	Shares On Option			Weighted Average Exercise Price		Shares Available For Grant
Balance, June 30, 2012		102,490					352,185
2007 Plan expired		-					(352,185	)
2012 Plan authorized		-					500,000
Options granted		61,382			8.77		(61,382	)
Options exercised		(34,128	)		8.28		-
Options canceled		(41,016	)				9,926
Balance, June 30, 2013		88,728					448,544
Options granted		43,643			10.91		(43,643	)
Options exercised		(26,225	)		9.83		-
Options canceled		(30,758	)				19,711
Balance, June 30, 2014		75,388					424,612
Options granted		35,208			13.97		(35,208	)
Options exercised		(30,718	)		8.82
Options canceled		(25,571	)				25,571
Balance, June 30, 2015		54,307					414,975

Share-based Compensation, Performance Shares Award Outstanding Activity [Table Text Block]

Weighted average remaining life (years)		1.3
Weighted average fair value on grant date of options granted in:
2013	$	2.73
2014		3.37
2015		4.68