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Note 16 - Commitments and Contingencies (Details Textual) - USD ($)
$ in Thousands
Dec. 31, 2022
Mar. 31, 2022
Restricted Cash and Cash Equivalents, Noncurrent, Total $ 1,023 $ 6,148
Restricted Cash and Cash Equivalents, Current, Total $ 6,600 2,800
Letter of Credit [Member]    
Escrow Deposit   $ 5,000