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Note 18 - Fair Value Measurements - Schedule of Assets and Liabilities Measured on Recurring Basis (Details) - Fair Value, Recurring [Member] - USD ($)
$ in Thousands
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2023
Assets, fair value   $ 0  
Liabilities, fair value   607  
Derivative Financial Instruments, Liabilities [Member] | Series A Preferred Stock [Member]      
Liabilities, fair value   607  
Fair Value, Inputs, Level 1 [Member]      
Assets, fair value   0  
Liabilities, fair value   0  
Fair Value, Inputs, Level 1 [Member] | Derivative Financial Instruments, Liabilities [Member] | Series A Preferred Stock [Member]      
Liabilities, fair value   0  
Fair Value, Inputs, Level 2 [Member]      
Assets, fair value   0  
Liabilities, fair value   0  
Fair Value, Inputs, Level 2 [Member] | Derivative Financial Instruments, Liabilities [Member] | Series A Preferred Stock [Member]      
Liabilities, fair value   0  
Fair Value, Inputs, Level 3 [Member]      
Assets, fair value   0  
Liabilities, fair value $ 0 607 $ 3,698
Fair Value, Inputs, Level 3 [Member] | Derivative Financial Instruments, Liabilities [Member] | Series A Preferred Stock [Member]      
Liabilities, fair value   607  
Prepaid Expenses [Member]      
Assets, fair value   0  
Prepaid Expenses [Member] | Fair Value, Inputs, Level 1 [Member]      
Assets, fair value   0  
Prepaid Expenses [Member] | Fair Value, Inputs, Level 2 [Member]      
Assets, fair value   0  
Prepaid Expenses [Member] | Fair Value, Inputs, Level 3 [Member]      
Assets, fair value   $ 0