Note 19 - Revenue Recognition - Noninterest Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Noninterest income (in scope of Topic 606)	$ 3,216	$ 2,978
Noninterest income	4,703	4,268
Deposit Account [Member]
Noninterest income (in scope of Topic 606)	1,350	1,264
Debit Card [Member]
Noninterest income (in scope of Topic 606)	1,575	1,454
Financial Service, Other [Member]
Noninterest income (in scope of Topic 606)	291	260
Product and Service, Out of Scope of ASC 606 [Member]
Noninterest income	$ 1,487	$ 1,290