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Stockholders' Equity - Fair Value of Employee Stock Options (Details) - $ / shares
3 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Share-Based Payment Arrangement [Abstract]    
Dividend yield 0.00% 0.00%
Volatility 118.70% 101.69%
Risk-free interest rate 4.07% 4.47%
Expected life of options 6 years 6 years
Weighted average grant date fair value $ 1.68 $ 9.64