Note 4 - Stock-based Compensation (Tables)

12 Months Ended

Jun. 30, 2016

Notes Tables

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, 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
Options granted		52,836			9.37		(52,836	)
Options exercised		(15,523	)		9.57		-
Options canceled		(27,705	)				27,705
Balance, June 30, 2016		63,915					389,844

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:
2014	$	3.37
2015		4.68
2016		3.34