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Note 3 - Contracts in Progress (Tables)

12 Months Ended

Dec. 31, 2015

Notes Tables

Schedule Of Cost And Estimated Earnings In Excess Of Billings [Table Text Block]

		2015				2014
Costs incurred on contracts in progress		$	7,695,281			$	4,250,299
Estimated earnings			7,635,114				4,541,377
			15,330,395				8,791,677
Billings to date			(10,695,377	)			(7,621,523	)
		$	4,635,018			$	1,170,154

		2015				20 14
Included in accompanying balance sheets
Under the following captions:
Costs and estimated earnings in excess of billings on contracts in progress		$	4,635,018			$	2,498,662

Billings in excess of costs and estimated earnings on contracts in progress		$	---			$	(1,328,508	)