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DERIVATIVE LIABILITIES (Fair Value Measurement Inputs and Valuation Techniques) (Details) - Weighted Average [Member]
Mar. 31, 2021
Y
Mar. 31, 2020
Y
Risk-free Interest Rate [Member]    
DERIVATIVE LIABILITIES    
Assumptions to fair value of the derivative warrant liabilities 0.0029 0.0046
Expected Life [Member]    
DERIVATIVE LIABILITIES    
Assumptions to fair value of the derivative warrant liabilities 1.79 2.79
Expected Annualized Volatility [Member]    
DERIVATIVE LIABILITIES    
Assumptions to fair value of the derivative warrant liabilities 0.859 0.887
Dividend [Member]    
DERIVATIVE LIABILITIES    
Assumptions to fair value of the derivative warrant liabilities 0 0
Liquidity Discount [Member]    
DERIVATIVE LIABILITIES    
Assumptions to fair value of the derivative warrant liabilities 0.20 0.20