MARKETABLE SECURITIES (Schedule of investment income) (Details) (USD $)	12 Months Ended
Jul. 31, 2013	Jul. 31, 2012	Jul. 31, 2011
MARKETABLE SECURITIES [Abstract]
Interest income	$ 7,955	$ 5,121	$ 44,409
Dividend income	71,943	45,669	48,072
Gain (loss) on sale of marketable securities	(5,572)	(18,606)	10,603
Total	$ 74,326	$ 32,184	$ 103,084

- Definition

This item represents the net total realized and unrealized gain (loss) included in earnings for the period as a result of selling or holding marketable securities categorized as trading, available-for-sale, or held-to-maturity, including the unrealized holding gain (loss) of held-to-maturity securities transferred to the trading security category and the cumulative unrealized gain (loss) which was included in other comprehensive income (a separate component of shareholders' equity) for available-for-sale securities transferred to trading securities during the period. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities.

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