Note 5 - Contracts in Progress (Tables)

12 Months Ended

Nov. 30, 2019

Notes Tables

Costs in Excess of Billings and Billings in Excess of Costs [Table Text Block]

	Cost and Profit in			Billings in Excess of
	Excess of Billings			Costs and Profit
November 30, 2019
Costs	$	3,805,906		$	629,501
Estimated earnings		1,044,612			155,790
		4,850,518			785,291
Less: amounts billed		(4,123,851	)		(874,222	)
	$	726,667		$	(88,931	)
November 30, 2018
Costs	$	190,861		$	99,782
Estimated earnings		54,721			121,115
		245,582			220,897
Less: amounts billed		(146,295	)		(405,911	)
	$	99,287		$	(185,014	)