Note 5 - Contracts in Progress (Tables)

12 Months Ended

Nov. 30, 2017

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, 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	)
November 30, 2016
Costs	$	121,118		$	159,717
Estimated earnings		27,231			65,471
		148,349			225,188
Less: amounts billed		(40,000	)		(229,485	)
	$	108,349		$	(4,297	)