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Stockholders' Equity - Fair Value of ESPP Shares (Details) - $ / shares
12 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Dividend yield 0.00% 0.00%
Volatility 99.04% 95.53%
Risk-free interest rate 4.11% 3.32%
Expected life of options 6 years 6 years
Weighted average grant date fair value $ 1.34 $ 1.83
ESPP Shares [Member]    
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Dividend yield 0.00% 0.00%
Volatility 95.20% 86.58%
Risk-free interest rate 5.27% 3.34%
Expected life of options 6 months 6 months
Weighted average grant date fair value $ 0.39 $ 0.82