Note 1 - Summary of Significant Accounting Policies - Disaggregated Revenue From External Customer (Details) - USD ($)	12 Months Ended
	Nov. 30, 2023	Nov. 30, 2022
Agricultural Products [Member]
Revenue	$ 22,467,000	$ 20,912,000
Agricultural Products [Member] | Farm Equipment [Member]
Revenue	19,188,000	17,825,000
Agricultural Products [Member] | Farm Equipment Service Parts [Member]
Revenue	2,886,000	2,575,000
Agricultural Products [Member] | Modular Buildings [Member]
Revenue	0	0
Agricultural Products [Member] | Modular Buildings Lease Income [Member]
Revenue	0	0
Agricultural Products [Member] | Product and Service, Other [Member]
Revenue	393,000	512,000
Modular Buildings [Member]
Revenue	7,814,000	4,734,000
Modular Buildings [Member] | Farm Equipment [Member]
Revenue	0	0
Modular Buildings [Member] | Farm Equipment Service Parts [Member]
Revenue	0	0
Modular Buildings [Member] | Modular Buildings [Member]
Revenue	7,590,000	4,550,000
Modular Buildings [Member] | Modular Buildings Lease Income [Member]
Revenue	112,000	62,000
Modular Buildings [Member] | Product and Service, Other [Member]
Revenue	112,000	122,000
Tools [Member]
Revenue	30,281,000	25,646,000
Tools [Member] | Farm Equipment [Member]
Revenue	19,188,000	17,825,000
Tools [Member] | Farm Equipment Service Parts [Member]
Revenue	2,886,000	2,575,000
Tools [Member] | Modular Buildings [Member]
Revenue	7,590,000	4,550,000
Tools [Member] | Modular Buildings Lease Income [Member]
Revenue	112,000	62,000
Tools [Member] | Product and Service, Other [Member]
Revenue	$ 505,000	$ 634,000