Note 18 - Segment Information - Segment Reporting Information (Details) - USD ($)	3 Months Ended
	Feb. 29, 2024		Feb. 28, 2023		Nov. 30, 2023
Revenue from external customers	$ 5,723,394		$ 7,086,864
Gross profit	1,473,524		2,186,874
Operating Expense	1,853,606		1,643,428
Income (loss) from operations	(380,082)		543,446
Total Assets	24,253,995				$ 24,402,114
Capital expenditures	281,174		296,114
Depreciation & Amortization	208,116		201,903
Operating Segments [Member]
Revenue from external customers	5,723,000		7,087,000
Gross profit	1,473,000		2,187,000
Operating Expense	1,854,000		1,644,000
Income (loss) from operations	(380,000)		543,000
Income (loss) before tax	(537,000)		444,000
Total Assets	23,216,000		23,052,000
Capital expenditures	281,000	[1]	296,000	[2]
Depreciation & Amortization	208,000		202,000
Operating Segments [Member] | Agricultural Products [Member]
Revenue from external customers	4,236,000		5,445,000
Gross profit	1,141,000		1,864,000
Operating Expense	1,568,000		1,362,000
Income (loss) from operations	(426,000)		502,000
Income (loss) before tax	(574,000)		407,000
Total Assets	20,470,000		19,761,000
Capital expenditures	184,000	[1]	252,000	[2]
Depreciation & Amortization	148,000		125,000
Operating Segments [Member] | Modular Buildings [Member]
Revenue from external customers	1,487,000		1,642,000
Gross profit	332,000		323,000
Operating Expense	286,000		282,000
Income (loss) from operations	46,000		41,000
Income (loss) before tax	37,000		37,000
Total Assets	2,746,000		3,291,000
Capital expenditures	97,000	[1]	44,000	[2]
Depreciation & Amortization	$ 60,000		$ 77,000

[1] FY 2023 capital expenditures include finance leased assets of $118,000 in the Agricultural Products segment and $17,000 in the Modular Buildings segment.

[2] FY 2022 capital expenditures include finance leased assets of $532,000 in the Agricultural Products segment.