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Note 3 - Inventories
12 Months Ended
Mar. 31, 2023
Notes to Financial Statements  
Inventory Disclosure [Text Block]

NOTE 3 INVENTORIES

 

Inventories at March 31, 2023 consisted of the following:

                 
   

Current

    Long-term     Total  

Raw materials

  $ 390,792     $ 201,317     $ 592,109  

Finished goods

    52,673       27,134       79,807  

Totals

  $ 443,465     $ 228,451     $ 671,916  

 

Inventories at March 31, 2022 consisted of the following:

                 
   

Current

    Long-term     Total  

Raw materials

  $ 240,163     $ 181,406     $ 421,579  

Finished goods

    47,913       2,314       50,227  

Totals

  $ 288,076     $ 183,730     $ 471,806