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STOCK-BASED COMPENSATION (Details)
12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dividend yield 0.00% 0.00%
Minimum    
Risk-free interest rates 0.28% 0.77%
Volatility 87.00% 86.00%
Expected life (years) 5 years 5 years
Maximum    
Risk-free interest rates 0.71% 2.37%
Volatility 127.00% 103.00%
Expected life (years) 6 years 6 years