Note 13 - Leases (Details Textual)	3 Months Ended
	Feb. 28, 2022 USD ($)	Feb. 28, 2021 USD ($)	Apr. 14, 2022 USD ($)	Mar. 03, 2022 USD ($)
Lease, Cost, Total	$ 4,843	$ 6,080
Operating Lease, Weighted Average Remaining Lease Term (Month)	46 months
Operating Lease, Weighted Average Discount Rate, Percent	4.88%
Lessee, Finance Lease, Term of Contract (Month)	39 months
Finance Lease, Weighted Average Discount Rate, Percent	4.77%
Finance Lease, Right-of-Use Asset, Amortization	$ 16,142	$ 0
Robotic Weld Systems [Member] | Subsequent Event [Member]
Lessee, Finance Lease, Not yet Commenced, Right-of-Use Assets, Number of Units				3
Lessee, Finance Lease, Not yet Commenced, Monthly Payment, Amount				$ 5,068
Lessee, Finance Lease, Lease Not yet Commenced, Term of Contract (Month)				60 months
Lessee, Finance Lease, Not yet Commenced, Bargain Purchased Option, Amount				$ 30,590
Lift King Lift Truck [Member] | Subsequent Event [Member]
Lessee, Finance Lease, Not yet Commenced, Monthly Payment, Amount			$ 1,627
Lessee, Finance Lease, Lease Not yet Commenced, Term of Contract (Month)			60 months
Lessee, Finance Lease, Not yet Commenced, Bargain Purchased Option, Amount			$ 1.0
Minimum [Member]
Lessee, Operating Lease, Term of Contract (Month)	12 months
Maximum [Member]
Lessee, Operating Lease, Term of Contract (Month)	60 months