Note 11 - Regulatory and Operational Matters (Details Textual)	Jan. 01, 2019	Jun. 30, 2016
Scenario, Forecast [Member]
Common Equity, Tier 1, Capital Required for Capital Adequacy to Risk Weighted Assets	7.00%
Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets	8.50%
Capital Required for Capital Adequacy to Risk Weighted Assets	10.50%
Capital Conservation Buffer		2.50%
Capital Conservation Buffer Phase In Amount		0.625%