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Construction Contracts in Progress (Tables)
 12 Months Ended
Dec. 31, 2015
LongTermContractsOrProgramsDisclosureTextBlockAbstract  
Contracts in Progress
The status of contracts in progress as of December 31, 2015 and 2014 is as follows:
 
 
2015
 
2014
Costs incurred on uncompleted contracts
 
$
94,686

 
$
92,190

Estimated earnings
 
52,246

 
47,510

Earned revenue
 
146,932

 
139,700

Less billings to date
 
(141,478
)
 
(132,790
)
Total
 
$
5,454

 
$
6,910

Classified as follows:
 
 
 
 
Costs and estimated earnings in excess of billings on uncompleted contracts
 
$
7,312

 
$
9,904

Billings in excess of costs and estimated earnings on uncompleted contracts
 
(1,858
)
 
(2,994
)
Total
 
$
5,454

 
$
6,910