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Note 6 - Assets Held For Sale (Tables)
9 Months Ended
Dec. 31, 2022
Disposal Group, Held-for-sale, Not Discontinued Operations [Member]  
Notes Tables  
Disposal Groups, Including Discontinued Operations [Table Text Block]
   

As of:

 
   

December 31,

   

January 1,

   

March 31,

 
   

2022

   

2022

   

2022

 

Property, plant and equipment, net

  $ 1,615     $ 8,930     $ 5,979  

Current assets held for sale

  $ 1,615     $ 8,930     $ 5,979