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STOCK-BASED COMPENSATION (Details)
3 Months Ended 9 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2020
Dec. 31, 2019
Risk-free interest rates 0.38%      
Volatility 87.00%      
Dividend yield 0.00% 0.00% 0.00% 0.00%
Minimum        
Risk-free interest rates   1.51% 0.28% 1.34%
Volatility   87.00% 87.00% 87.00%
Expected life (years) 5 years 2 months 12 days 5 years 5 years 5 years
Maximum        
Risk-free interest rates   1.69% 0.38% 2.41%
Volatility   96.00% 127.00% 102.00%
Expected life (years) 5 years 8 months 12 days 6 years 6 years 6 years