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Note 12 - Fair Value of Financial Instruments (Tables)
9 Months Ended
Dec. 31, 2022
Notes Tables  
Fair Value, by Balance Sheet Grouping [Table Text Block]
   

As of:

 
   

December 31,

   

January 1,

   

March 31,

 
   

2022

   

2022

   

2022

 

Carrying value

  $ 403,948     $ 127,808     $ 113,624  

Estimated fair value

  $ 396,408     $ 127,371     $ 108,608