Note 3 - Discontinued Operations - Components of Discontinued Operations (Details) - USD ($)		3 Months Ended
		Feb. 29, 2024	Feb. 28, 2023	Nov. 30, 2023
Current assets of discontinued operations		$ 23,090		$ 31,958
Other assets of discontinued operations		1,016,257		1,023,566
Current liabilities of discontinued operations		178,703		186,789
Loss from operations of discontinued operations		(49,902)	$ (10,234)
Discontinued Operations [Member]
Inventory		18,013		18,013
Other current assets		5,077		13,945
Current assets of discontinued operations		23,090		31,958
Property, plant, and equipment, net		1,016,257		1,023,566
Other assets of discontinued operations		1,016,257		1,023,566
Accounts payable		2,112		3,539
Current portion of long-term debt		159,512		160,599
Other current liabilities		17,079		22,651
Current liabilities of discontinued operations		178,703		$ 186,789
Discontinued Operations [Member] | Tools [Member]
Revenue from external customers		0	808,000
Gross Profit (loss)		(27,000)	162,000
Operating Expense		10,000	157,000
Income (loss) from operations		(37,000)	5,000
Loss from operations of discontinued operations		(50,000)	(10,000)
Capital expenditures	[1]	0	18,000
Depreciation & Amortization		$ 7,000	$ 37,000

[1] FY 2022 capital expenditures include $166,000 of finance leased assets.