Balance Sheets (Unaudited) (Parenthetical) (USD $)	Sep. 30, 2014	Jun. 30, 2014
Statement of Financial Position [Abstract]
Advance payments of costs related to contracts in process	$ 19,626	$ 142,616
Common stock, par value	$ 0.3333	$ 0.3333
Common stock, shares authorized	10,000,000	10,000,000
Common stock, shares issued	3,029,874	3,029,874
Common stock, shares outstanding	2,359,001	2,368,110
Unearned ESOP, shares	$ 92,917	$ 97,500
Treasury stock, shares	670,873	661,764