Income Taxes: Schedule of Effective Income Tax Rate Reconciliation (Details) (USD $)	3 Months Ended		6 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Income Tax Reconciliation, Income Tax Expense (Benefit), at Federal Statutory Income Tax Rate	$ 1,205,574	$ 1,357,126	$ 2,474,162	$ 2,817,290
Increase (decrease) in taxes resulting from nontaxable municipal income	(128,391)	(113,303)	(252,659)	(217,673)
Increase (decrease) in taxes resulting from state tax, net of Federal benefit	84,480	103,620	176,880	220,275
Increase (decrease) in taxes resulting from cash surrender value of bank owned life insurance	(43,764)	(24,275)	(86,543)	(48,603)
Increase (decrease) in taxes resulting from other, net	(53,013)	(6,060)	(106,068)	(9,974)
Actual tax provision	$ 1,064,886	$ 1,317,107	$ 2,205,772	$ 2,761,314