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Note 4 - Contracts in Progress (Tables)

9 Months Ended

Sep. 30, 2015

Notes Tables

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

		September 30, 2015				December 31, 2014

Costs incurred on contracts in progress		$	8,242,038			$	4,250,300
Estimated earnings			9,052,783				4,541,377
			17,294,821				8,791,677
Billings to date			(15,535,877	)			(7,621,523	)
		$	1,758,944			$	1,170,154
Included in accompanying balance sheets under the following captions:

Costs and estimated earnings in excess of billings on contracts in progress		$	2,511,970			$	2,498,662

Billings in excess of costs and estimated earnings on contracts in progress		$	(753,026	)		$	(1,328,508	)