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Note 4 - Inventories (Tables)
9 Months Ended
Nov. 30, 2024
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

Gross

  

Reserve

  

Net

 

Raw Materials

 $2,589,000  $(482,000) $2,107,000 

Work-In-Process

  5,160,000   (3,883,000)  1,277,000 

Finished Goods

  1,098,000   (484,000)  614,000 

Totals

 $8,847,000  $(4,849,000) $3,998,000 
  

Gross

  

Reserve

  

Net

 

Raw Materials

 $2,492,000  $(441,000) $2,051,000 

Work-In-Process

  5,274,000   (3,894,000)  1,380,000 

Finished Goods

  1,150,000   (449,000)  701,000 

Totals

 $8,916,000  $(4,784,000) $4,132,000