OTHER CHARGES (GAINS) (Details) (USD $)	3 Months Ended			9 Months Ended
	Apr. 30, 2014	Jan. 31, 2014	Jan. 31, 2013	Apr. 30, 2014	Apr. 30, 2013
OTHER CHARGES (GAINS)
Store impairments		$ 500,000	$ 900,000	$ 488,000	$ 851,000
De Beers settlement	$ 300,000			$ 2,200,000