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Note 6 - Contract Receivables, Contract Assets and Contract Liabilities (Tables)
3 Months Ended
Feb. 29, 2024
Notes Tables  
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]
  

February 29, 2024

  

November 30, 2023

 

Receivables

 $3,046,000  $3,432,000 

Assets

  126,000   289,000 

Liabilities

  2,133,000   767,000