Note 17 - Fair Value Measurements - Schedule of Assets and Liabilities Measured on Recurring Basis (Details) - Fair Value, Recurring [Member] - USD ($) $ in Thousands	Jun. 30, 2024	Mar. 31, 2024
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
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