Quarterly report pursuant to Section 13 or 15(d)

TRADING AND AVAILABLE-FOR-SALE SECURITIES AT FAIR VALUE (Details 3)

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TRADING AND AVAILABLE-FOR-SALE SECURITIES AT FAIR VALUE (Details 3) - USD ($)
6 Months Ended 12 Months Ended
Sep. 30, 2020
Mar. 31, 2020
Available-for-sale Securities [Member]    
Trading securities, Purchase of investments that use level 3 inputs $ 0 $ 0
Trading securities, Revaluation of investments that use level 3 inputs 0 0
Available-for-sale securities, Beginning balance 1,000 1,000
Available-for-sale securities, Sale of investments that use Level 3 inputs 0 0
Available-for-sale securities, Foreign currency translation   0
Available-for-sale securities, Ending balance 1,000 1,000
Trading Securities    
Trading Securities, Beginning balance 11,259,000 504,000
Trading securities, Sale of investments that use Level 3 inputs (2,000) (497,000)
Trading securities, Purchase of investments that use level 3 inputs 374,000 10,430,000
Trading securities, Revaluation of investments that use level 3 inputs (21,000) 829,000
Trading securities, Foreign currency translation   (7,000)
Trading Securities, Ending balance $ 11,610,000 $ 11,259,000