Note 5 - Contracts in Progress (Tables)

12 Months Ended

Nov. 30, 2018

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, 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	)
November 30, 2017
Costs	$	105,639		$	612,370
Estimated earnings		34,611			173,764
		140,250			786,134
Less: amounts billed		(75,104	)		(834,345	)
	$	65,146		$	(48,211	)