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Costs, Estimated Earnings, and Related Billings on Uncompleted Contracts
 12 Months Ended
Dec. 31, 2017
Contractors [Abstract]  
Costs, Estimated Earnings, and Related Billings on Uncompleted Contracts

(4) Costs, Estimated Earnings, and Related Billings on Uncompleted Contracts

Contracts in progress at December 31, 2017 and 2016 consisted of the following:

 

 

2017

 

 

2016

 

 

(in thousands)

 

Costs incurred on uncompleted contracts

$

32,488

 

 

$

26,340

 

Estimated earnings

 

6,172

 

 

 

1,193  

 

 

 

38,660

 

 

 

27,533

 

Billings on uncompleted contracts

 

(34,018

)

 

 

(21,912

)

 

$

4,642

 

 

$

5,621

 

Costs, estimated earnings, and related billing on uncompleted contracts consisted of the following at December 31, 2017 and 2016:

 

2017

 

 

2016

 

 

(in thousands)

 

Cost and estimated earnings in excess of billings on uncompleted contracts

$

6,434

 

 

$

5,829

 

Billings in excess of costs and estimated earnings on uncompleted contracts

 

(1,792

)

 

 

(208

)

 

$

4,642

 

 

$

5,621