Note 8 - Employee Benefit Plans (Details Textual) - USD ($)	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	4 years
Allocated Share-based Compensation Expense	$ 0	$ 0
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate	4.50%	4.50%
Defined Contribution Plan, Employers Matching Contribution, Annual Vesting Percentage	100.00%
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent	4.00%
Defined Contribution Plan, Cost Recognized	$ 181,000	$ 166,000
Defined Benefit Plan, Accumulated Benefit Obligation	2,020,000	1,893,000
Defined Benefit Plan, Other Costs	191,000	217,000
Defined Benefit Plan, Contributions by Employer	64,000	$ 46,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized	$ 23,000