Note 8 - Revenue Recognition - Noninterest Income (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Noninterest income (in scope of Topic 606)	$ 814	$ 903	$ 1,974	$ 1,742
Noninterest income	1,025	944	2,494	2,439
Deposit Account [Member]
Noninterest income (in scope of Topic 606)	360	321	733	637
Debit Card [Member]
Noninterest income (in scope of Topic 606)	384	369	775	727
Financial Service, Other [Member]
Noninterest income (in scope of Topic 606)	70	213	466	378
Product and Service, Out of Scope of ASC 606 [Member]
Noninterest income	$ 211	$ 41	$ 520	$ 697

Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045

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