Securities: Schedule of Gross Unrealized Losses and Fair Value of Investments Length of Time in Continuous Unrealized Loss Position (Details) (USD $)	Dec. 31, 2012	Jun. 30, 2012
Less than 12 months | U.S. government sponsored enterprises (GSEs)
Investments Owned Estimated Fair Value	$ 7,978,296	$ 999,616
Investments Owned Unrealized Losses	17,696	384
Less than 12 months | State and political subdivisions
Investments Owned Estimated Fair Value	4,791,949	5,525,825
Investments Owned Unrealized Losses	45,536	98,656
Less than 12 months | Mortgage-backed GSE residential
Investments Owned Estimated Fair Value	2,850,979	1,943,968
Investments Owned Unrealized Losses	22,521	7,861
Less than 12 months | Mortgage-backed other U.S. government agencies
Investments Owned Estimated Fair Value	2,678,010
Investments Owned Unrealized Losses	3,347
Less than 12 months | Total investments and mortgage-backed securities
Investments Owned Estimated Fair Value	18,299,234	8,469,409
Investments Owned Unrealized Losses	89,100	106,901
More than 12 months | Other securities
Investments Owned Estimated Fair Value	378,149	282,639
Investments Owned Unrealized Losses	1,162,916	1,267,772
More than 12 months | Total investments and mortgage-backed securities
Investments Owned Estimated Fair Value	378,149	282,639
Investments Owned Unrealized Losses	1,162,916	1,267,772
Total investments | U.S. government sponsored enterprises (GSEs)
Investments Owned Estimated Fair Value	7,978,296	999,616
Investments Owned Unrealized Losses	17,696	384
Total investments | State and political subdivisions
Investments Owned Estimated Fair Value	4,791,949	5,525,825
Investments Owned Unrealized Losses	45,536	98,656
Total investments | Other securities
Investments Owned Estimated Fair Value	378,149	282,639
Investments Owned Unrealized Losses	1,162,916	1,267,772
Total investments | Mortgage-backed GSE residential
Investments Owned Estimated Fair Value	2,850,979	1,943,968
Investments Owned Unrealized Losses	22,521	7,861
Total investments | Mortgage-backed other U.S. government agencies
Investments Owned Estimated Fair Value	2,678,010
Investments Owned Unrealized Losses	3,347
Total investments | Total investments and mortgage-backed securities
Investments Owned Estimated Fair Value	18,677,383	8,752,048
Investments Owned Unrealized Losses	$ 1,252,016	$ 1,374,673