Note 5 - Stockholders' Equity (Details Textual) - USD ($)	3 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Restricted Stock [Member]
Shares Paid for Tax Withholding for Share Based Compensation	9,915
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	0	0
Allocated Share-based Compensation Expense	$ 343,000	$ 284,000
Class of Warrant or Right, Outstanding, Intrinsic Value	$ 0