XML 57 R46.htm IDEA: XBRL DOCUMENT v3.24.2
Note 6 - Contract Receivables, Contract Assets and Contract Liabilities (Details Textual) - USD ($)
6 Months Ended
May 31, 2024
May 31, 2023
Nov. 30, 2023
Dec. 01, 2022
Contract with Customer, Liability, Revenue Recognized   $ 1,153,000    
Construction Contractor, Receivable, Excluding Contract Retainage $ 2,647,000   $ 3,432,000 $ 2,466,000
Contract with Customer, Asset, after Allowance for Credit Loss 35,000   289,000 451,000
Contract with Customer, Liability 2,162,000   $ 767,000 $ 1,153,000
Approximation [Member]        
Contract with Customer, Liability, Revenue Recognized $ 655,000