v3.25.2
Note 4 - Disaggregation of Revenue - Disaggregated Revenue From External Customers (Details) - USD ($)
 3 Months Ended 6 Months Ended
May 31, 2025
May 31, 2024
May 31, 2025
May 31, 2024
Revenue $ 6,337,000 $ 6,730,000 $ 11,478,000 $ 12,454,000
Agricultural Products [Member]        
Revenue 4,025,000 4,555,000 6,973,000 8,792,000
Modular Buildings [Member]        
Revenue 2,312,000 2,175,000 4,505,000 3,662,000
Farm Equipment [Member]        
Revenue 3,350,000 3,975,000 5,344,000 7,503,000
Farm Equipment [Member] | Agricultural Products [Member]        
Revenue 3,350,000 3,975,000 5,344,000 7,503,000
Farm Equipment [Member] | Modular Buildings [Member]        
Revenue 0 0 0 0
Farm Equipment Service Parts [Member]        
Revenue 603,000 500,000 1,486,000 1,143,000
Farm Equipment Service Parts [Member] | Agricultural Products [Member]        
Revenue 603,000 500,000 1,486,000 1,143,000
Farm Equipment Service Parts [Member] | Modular Buildings [Member]        
Revenue 0 0 0 0
Modular Buildings [Member]        
Revenue 2,227,000 2,100,000 4,346,000 3,491,000
Modular Buildings [Member] | Agricultural Products [Member]        
Revenue 0 0 0 0
Modular Buildings [Member] | Modular Buildings [Member]        
Revenue 2,227,000 2,100,000 4,346,000 3,491,000
Modular Buildings Lease Income [Member]        
Revenue 26,000 56,000 72,000 92,000
Modular Buildings Lease Income [Member] | Agricultural Products [Member]        
Revenue 0 0 0 0
Modular Buildings Lease Income [Member] | Modular Buildings [Member]        
Revenue 26,000 56,000 72,000 92,000
Product and Service, Other [Member]        
Revenue 131,000 99,000 230,000 225,000
Product and Service, Other [Member] | Agricultural Products [Member]        
Revenue 72,000 80,000 143,000 146,000
Product and Service, Other [Member] | Modular Buildings [Member]        
Revenue $ 59,000 $ 19,000 $ 87,000 $ 79,000