Note 2 - Securities - Securities with Unrealized and Unrecognized Losses (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
US States and Political Subdivisions Debt Securities [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	$ 572	$ 18,796
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss	(6)	(352)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	641	2,145
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss	(2)	(53)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	1,213	20,941
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss	(8)	(405)
US Government-sponsored Enterprises Debt Securities [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value		3,719
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss		(31)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value		3,719
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss		(31)
Residential Mortgage Backed Securities [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	4,899	24,322
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss	(12)	(200)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	4,836	2,031
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss	(14)	(26)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	9,735	26,353
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss	(26)	(226)
Collateralized Mortgage Obligations [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value		3,321
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss		(34)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	1,212
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss	(3)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	1,212	3,321
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss	(3)	(34)
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	5,471	50,158
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss	(18)	(617)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	6,689	4,176
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss	(19)	(79)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	12,160	54,334
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss	$ (37)	$ (696)