Income Per Share of Common Stock (Details Textual)	3 Months Ended	9 Months Ended
Apr. 30, 2013	Apr. 30, 2012	Apr. 30, 2013	Apr. 30, 2012
Weighted Average Number Of Shares Outstanding, Basic (in shares)	2,015,780	2,015,780	2,015,780	2,015,780

Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

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+ Details