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ORGANIZATION, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Marketable Securities (Details) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended
May 31, 2020
Mar. 31, 2020
Jul. 31, 2020
Jul. 31, 2019
Jul. 31, 2020
Jul. 31, 2019
Marketable Securities [Abstract]            
Proceeds from Sale of Available-for-sale Securities $ 7,300,000       $ 7,240,000 $ 5,970,000
Marketable Securities, Realized Gain (Loss) $ 258,000   $ 258,000 $ 0 $ 258,000 $ 403,000
REIT Securities [Member]            
Marketable Securities [Abstract]            
Purchase of marketable securities   $ 7,000,000