Note 7 - Revenue Recognition - Noninterest Income (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2018
Noninterest income (in scope of Topic 606)	$ 702	$ 659	$ 2,196	$ 2,009
Noninterest income	860	802	3,299	2,513
Deposit Account [Member]
Noninterest income (in scope of Topic 606)	298	286	935	895
Debit Card [Member]
Noninterest income (in scope of Topic 606)	338	327	1,065	975
Financial Service, Other [Member]
Noninterest income (in scope of Topic 606)	66	46	196	139
Product and Service, Out of Scope of ASC 606 [Member]
Noninterest income	$ 158	$ 143	$ 1,103	$ 504

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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