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INVESTMENTS - Market Value, Cost, and Unrealized Gain or Loss on Investments (Detail) (USD $)
Sep. 30, 2012
Jun. 30, 2012
Marketable Securities [Line Items]    
Trading, Market Value $ 5,387,719 $ 5,216,139
Available-for-sale, Market Value 9,011,000 8,824,311
Total Investments 14,398,719 14,040,450
Trading, Cost 5,960,634 5,960,634
Available-for-sale, Cost 8,150,290 8,117,844
Total, Cost 14,100,000 14,078,478
Trading, Unrealized Gain (Loss) (572,915) (744,495)
Available-for-sale, Unrealized Gain (Loss) 860,710 706,467
Total, Unrealized Gain (Loss) 287,795 (38,028)
Available-for-sale, Unrealized holding gains on available-for-sale securities, net of tax $ 568,068 $ 466,268