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Contracts in Progress
 6 Months Ended
Jun. 30, 2017
Contractors [Abstract]  
Contracts in Progress
Contracts in Progress

Contracts in progress are as follows at June 30, 2017 and December 31, 2016:
 
June 30,
2017
 
December 31,
2016
Costs incurred on uncompleted contracts
$
871,900

 
$
802,140

Estimated earnings
140,465

 
143,975

 
1,012,365

 
946,115

Less: Billings to date
(999,487
)
 
(933,828
)
 
$
12,878

 
$
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
$
41,829

 
$
39,968

Billings in excess of costs and estimated earnings on uncompleted contracts
(28,951
)
 
(27,681
)
 
$
12,878

 
$
12,287



Costs and estimated earnings in excess of billings on completed contracts totaled $0.4 million at June 30, 2017 and $0.6 million at December 31, 2016.