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Contracts in Progress (Tables)
 9 Months Ended
Sep. 30, 2015
Contractors [Abstract]  
Summary of Contracts in Progress
Contracts in progress are as follows at September 30, 2015 and December 31, 2014:
 
September 30,
2015
 
December 31,
2014
Costs incurred on uncompleted contracts
$
778,561

 
$
554,109

Estimated earnings
130,924

 
97,687

 
909,485

 
651,796

Less: Billings to date
(893,217
)
 
(623,919
)
 
$
16,268

 
$
27,877

Included in the accompanying consolidated balance sheet under the following captions:
 

 
 

Costs and estimated earnings in excess of billings on uncompleted contracts
$
47,513

 
$
44,581

Billings in excess of costs and estimated earnings on uncompleted contracts
(31,245
)
 
(16,704
)
 
$
16,268

 
$
27,877