Note 17 - Segment Information - Segment Reporting Information (Details) - USD ($)	12 Months Ended
	Nov. 30, 2022		Nov. 30, 2021
Revenue from external customers	$ 28,399,637		$ 24,965,086
Income (loss) from operations	332,680		523,408
Total Assets	23,948,314		20,854,048
Capital expenditures (1)	1,747,351		620,284
Depreciation, Depletion and Amortization, Total	807,163		613,409
Operating Segments [Member]
Revenue from external customers	28,400,000		24,965,000
Income (loss) from operations	333,000		523,000
Income (loss) before tax	117,000		267,000
Total Assets	23,948,000		20,854,000
Capital expenditures (1)	2,445,000	[1]	820,000	[2]
Depreciation, Depletion and Amortization, Total	807,000		613,000
Operating Segments [Member] | Agricultural Products [Member]
Revenue from external customers	20,912,000		16,826,000
Income (loss) from operations	1,205,000		599,000
Income (loss) before tax	923,000		413,000
Total Assets	18,459,000		14,950,000
Capital expenditures (1)	1,969,000	[1]	726,000	[2]
Depreciation, Depletion and Amortization, Total	468,000		366,000
Operating Segments [Member] | Modular Buildings [Member]
Revenue from external customers	4,734,000		5,678,000
Income (loss) from operations	(600,000)		74,000
Income (loss) before tax	(482,000)		45,000
Total Assets	2,829,000		3,429,000
Capital expenditures (1)	232,000	[1]	94,000	[2]
Depreciation, Depletion and Amortization, Total	193,000		111,000
Operating Segments [Member] | Tools [Member]
Revenue from external customers	2,754,000		2,461,000
Income (loss) from operations	(272,000)		(150,000)
Income (loss) before tax	(324,000)		(191,000)
Total Assets	2,660,000		2,475,000
Capital expenditures (1)	244,000	[1]	0	[2]
Depreciation, Depletion and Amortization, Total	$ 146,000		$ 136,000

[1] FY 2022 capital expenditures include finance leased assets of $532,000 in the Agricultural Products segment and $166,000 in the Tool segment.

[2] FY 2021 capital expenditures include finance leased assets of $142,000 in the Agricultural Products segment and $58,000 in the Modular Buildings segment.