Note 5 - Premises and Equipment (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Depreciation, Total	$ 1,044	$ 797
Operating Lease, Weighted Average Remaining Lease Term (Month)	4 years 117 days
Operating Lease, Cost	$ 109
Short-term Lease, Cost	87
Premises and Equipment [Member]
Operating Lease, Right-of-Use Asset	473
Other Liabilities [Member]
Operating Lease, Liability, Total	$ 473