Note 5 - Contracts in Progress (Tables)

12 Months Ended

Nov. 30, 2023

Notes Tables

Long-Term Contract or Program Disclosure [Table Text Block]

	Cost and Profit in			Billings in Excess of
	Excess of Billings			Costs and Profit
November 30, 2023
Costs	$	839,161		$	3,228,941
Estimated earnings		299,230			1,421,112
		1,138,391			4,650,053
Less: amounts billed		(849,109	)		(5,001,342	)
	$	289,282		$	(351,289	)
November 30, 2022
Costs	$	848,516		$	731,490
Estimated earnings		293,094			138,568
		1,141,610			870,058
Less: amounts billed		(690,704	)		(1,198,099	)
	$	450,906		$	(328,041	)