Income (Loss) Per Share of Common Stock (Details)	3 Months Ended		9 Months Ended
	Apr. 30, 2014	Apr. 30, 2013	Apr. 30, 2014	Apr. 30, 2013
Income (Loss) Per Share of Common Stock [Abstract]
Average common shares outstanding	2,015,780	2,015,780	2,015,780	2,015,780