Loans (Details 2) - USD ($)	9 Months Ended		12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Jun. 30, 2014
Allowance for loan losses:
Balance, beginning	$ 2,574,000	$ 2,293,000	$ 2,293,000
Provision charged to expense	(710,837)	(768,986)	(681,169)
Recoveries	965,281		1,052,390
Allowance - subtotal before reduced by chargeoffs	2,828,444		2,664,221
Loans charged off	(414,444)		(90,221)
Balance, ending	2,414,000		2,574,000
Commercial
Allowance for loan losses:
Balance, beginning	1,237,000	1,010,000	1,010,000
Provision charged to expense	224,463		(541,858)
Recoveries	20,118		834,235
Allowance - subtotal before reduced by chargeoffs	1,481,581		1,302,377
Loans charged off	(405,581)		(65,377)
Balance, ending	1,076,000		1,237,000
Agricultural
Allowance for loan losses:
Balance, beginning	646,000	451,000	451,000
Provision charged to expense	(57,000)		195,000
Allowance - subtotal before reduced by chargeoffs	589,000		646,000
Balance, ending	589,000		646,000
Residential
Allowance for loan losses:
Balance, beginning	586,000	718,000	718,000
Provision charged to expense	42,767		(122,746)
Recoveries	13,233		1,600
Allowance - subtotal before reduced by chargeoffs	642,000		596,854
Loans charged off			(10,854)
Balance, ending	642,000		586,000
Other
Allowance for loan losses:
Balance, beginning	105,000	$ 114,000	114,000
Provision charged to expense	(921,067)		(211,565)
Recoveries	931,930		216,555
Allowance - subtotal before reduced by chargeoffs	115,863		118,990
Loans charged off	(8,863)		(13,990)
Balance, ending	$ 107,000		$ 105,000