Statements of Changes in Stockholders' Equity (USD $)	Common Shares	Capital in Excess of Par Value	Accumulated Other Comprehensive Income	Retained Earnings	Treasury Stock	Unearned ESOP Shares	Total
Balance, beginning at Jun. 30, 2010	$ 1,009,958	$ 14,172,284		$ 23,002,981	$ (7,149,550)	$ (2,588,954)	$ 28,446,719
Balance, beginning, shares at Jun. 30, 2010	2,319,876				709,998
Net income				3,857,537			3,857,537
Stock options exercised		227,904			196,350		424,254
Stock options exercised, shares	23,800				(23,800)
Stock option expense		66,237					66,237
Dividends paid on common stock (per share)				(4,080,492)			(4,080,492)
Tax effect of stock options exercised		10,939					10,939
Sale of treasury stock to ESOP		6,917			5,164		12,081
Sale of treasury stock to ESOP, shares	626				(626)
Purchase of treasury stock					(575,246)		(575,246)
Purchase of treasury stock, shares	(23,342)				23,342
Reduction of unearned ESOP shares		189,908				313,082	502,990
Balance, ending at Jun. 30, 2011	1,009,958	14,674,189		22,780,026	(7,523,282)	(2,275,872)	28,665,019
Balance, ending, shares at Jun. 30, 2011	2,320,960				708,914
Net income				4,390,268			4,390,268
Other comprehensive income, net of tax			1,477				1,477
Total comprehensive income							4,391,745
Stock options exercised		33,700			31,350		65,050
Stock options exercised, shares	3,800				(3,800)
Stock option expense		98,723					98,723
Dividends paid on common stock (per share)				(4,116,532)			(4,116,532)
Tax effect of stock options exercised		40,801					40,801
Sale of treasury stock to ESOP		39,744			19,231		58,975
Sale of treasury stock to ESOP, shares	2,331				(2,331)
Purchase of treasury stock					(143,731)		(143,731)
Purchase of treasury stock, shares	(6,269)				6,269
Reduction of unearned ESOP shares		206,355				301,043	507,398
Balance, ending at Jun. 30, 2012	$ 1,009,958	$ 15,093,512	$ 1,477	$ 23,053,762	$ (7,616,432)	$ (1,974,829)	$ 29,567,448
Balance, ending, shares at Jun. 30, 2012	2,320,822				709,052