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Contracts in Progress
 9 Months Ended
Sep. 30, 2017
Contractors [Abstract]  
Contracts in Progress
Contracts in Progress

Contracts in progress are as follows at September 30, 2017 and December 31, 2016:
 
September 30,
2017
 
December 31,
2016
Costs incurred on uncompleted contracts
$
771,246

 
$
802,140

Estimated earnings
121,554

 
143,975

 
892,800

 
946,115

Less: Billings to date
(880,384
)
 
(933,828
)
 
$
12,416

 
$
12,287

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

 
 

Costs and estimated earnings in excess of billings on uncompleted contracts
$
46,835

 
$
39,968

Billings in excess of costs and estimated earnings on uncompleted contracts
(34,419
)
 
(27,681
)
 
$
12,416

 
$
12,287



Costs and estimated earnings in excess of billings on completed contracts totaled $0.6 million at September 30, 2017 and $0.6 million at December 31, 2016.