Note 9 - Income Taxes - Net Deferred Income Tax Asset (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Jun. 30, 2016
Allowance for loan losses	$ 919	$ 1,082
Deferred compensation	771	721
Recognized loss on impairment of security	265	265
AMT credit carryforward	220	143
Deferred income	119	140
Other real estate owned deferred gain	12	13
Other real estate owned write down	10
Non-accrual loan interest income	58	72
Gross deferred tax asset	2,374	2,436
Depreciation	(788)	(761)
Loan fees	(320)	(279)
Prepaid expenses	(89)	(91)
FHLB stock dividends	(166)	(166)
Net unrealized securities gain	(229)	(1,231)
Gross deferred tax liabilities	(1,592)	(2,528)
Net deferred asset	$ 782
Net deferred liability		$ (92)