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Debt, Convertible Notes (Details) - USD ($)
 3 Months Ended 6 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Mar. 31, 2024
Mar. 31, 2023
Convertible Notes [Abstract]            
Net carrying amount of Convertible Notes, related party $ 32,340,000   $ 32,340,000   $ 30,776,000  
Derivative Liability, Statement of Financial Position [Extensible Enumeration] Net carrying amount of Convertible Notes, related party   Net carrying amount of Convertible Notes, related party   Net carrying amount of Convertible Notes, related party  
Derivative Asset, Statement of Financial Position [Extensible Enumeration] Net carrying amount of Convertible Notes, related party   Net carrying amount of Convertible Notes, related party   Net carrying amount of Convertible Notes, related party  
Change in fair value of compound net derivative liability $ (380,000) $ (390,000) $ 2,200,000 $ (530,000)    
Interest Expense [Abstract]            
Contractual interest expense     1,760,000 1,600,000    
Amortization of debt issuance costs     1,085,000 1,286,000    
Convertible Notes [Member]            
Convertible Notes [Abstract]            
Principal amount of Convertible Notes 35,209,000   35,209,000   $ 32,000,000 $ 32,000,000
Less: unamortized debt discount attributed to Compound Net Derivative Liability (7,089,000)   (7,089,000)   (7,576,000)  
Less: unamortized debt discount attributed to debt issuance costs (990,000)   (990,000)   (1,058,000)  
Carrying amount of the Convertible Notes 27,130,000   27,130,000   23,366,000  
Plus: Compound Net Derivative Liability 5,210,000   5,210,000   7,410,000  
Net carrying amount of Convertible Notes, related party $ 32,340,000   $ 32,340,000   $ 30,776,000  
Interest rate 18.30%   18.30%   18.30% 10.00%
Interest paid in-kind     $ 3,209,000      
Conversion price (in dollars per share) $ 15   $ 15      
Warrants maturity date Mar. 30, 2029   Mar. 30, 2029      
Warrants fair value $ 0   $ 0   $ 0  
Derivative liability 6,400,000   6,400,000   9,800,000  
Derivative assets 1,190,000   1,190,000   $ 2,390,000  
Change in fair value of compound net derivative liability (380,000) (390,000) 2,200,000 (530,000)    
Interest Expense [Abstract]            
Contractual interest expense 880,000 800,000 1,760,000 1,600,000    
Accretion of debt discount 249,000 208,000 487,000 409,000    
Amortization of debt issuance costs 35,000 30,000 68,000 57,000    
Total interest expense 1,164,000 $ 1,038,000 2,315,000 $ 2,066,000    
Convertible Notes Principal plus interest, Fiscal Year Future payment [Abstract]            
Total payments $ 56,704,000   $ 56,704,000