Note 18 - Condensed Statements of Earnings (Details) - USD ($)	3 Months Ended								12 Months Ended
	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Parent Company [Member] | Investments In Banking Subsidiary [Member]
Management fee income subsidiary									$ 968,000	$ 676,000	$ 569,000
Parent Company [Member] | Investments In Non-banking Subsidiary [Member]
Management fee income subsidiary									59,000	151,000	151,000
Parent Company [Member]
Dividends from non-bank subsidiary									8,000,000	5,000,000
Interest income non-bank subsidiaries											22,000
Other interest income									9,000	1,000	1,000
Gain (loss) on investment securities
									9,036,000	5,828,000	743,000
Salaries & benefits									1,508,000	1,209,000	1,186,000
Occupancy									146,000	95,000	140,000
Professional services									243,000	244,000	274,000
Other general & administrative									198,000	322,000	488,000
									2,095,000	1,870,000	2,088,000
Income (Loss) before taxes and equity in undistributed earnings of subsidiaries									6,941,000	3,958,000	(1,345,000)
Income tax expense									(99,000)	(154,000)	(498,000)
Equity in undistributed earnings of subsidiaries									1,608,000	4,943,000	7,898,000
Net earnings									8,648,000	9,055,000	7,051,000
Gain (loss) on investment securities									23,000	481,000
Salaries & benefits									7,254,000	8,582,000	7,796,000
Occupancy									685,000	634,000	682,000
Professional services									771,000	664,000	590,000
Income (Loss) before taxes and equity in undistributed earnings of subsidiaries									14,068,000	14,815,000	11,073,000
Income tax expense									5,420,000	5,760,000	4,022,000
Net earnings	$ 3,755,000	$ 1,611,000	$ 1,558,000	$ 1,724,000	$ 1,360,000	$ 1,678,000	$ 3,557,000	$ 2,459,000	$ 8,648,000	$ 9,055,000	$ 7,051,000