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Costs and Estimated Earnings on Uncompleted Contracts
12 Months Ended
Dec. 31, 2019
Costs and Estimated Earnings on Uncompleted Contracts [Abstract]  
Costs and Estimated Earnings on Uncompleted Contracts 5.COSTS AND ESTIMATED EARNINGS ON UNCOMPLETED CONTRACTS

The Company’s costs and estimated earnings on uncompleted contracts are comprised of the following:

As of

As of

December 31, 2019

December 31, 2018

(in thousands)

Costs incurred on uncompleted contracts

$

52,339

$

38,464

Estimated earnings

19,954

16,655

Billings to date

(47,401)

(31,952)

$

24,892

$

23,167

These amounts are included in the Consolidated Balance Sheets under the following captions:

As of

As of

December 31, 2019

December 31, 2018

(in thousands)

Costs and estimated earnings in excess of billings on uncompleted contracts

$

26,313

$

23,785

Billings in excess of costs and estimated earnings on

uncompleted contracts (included in Other current liabilities)

(1,421)

(618)

$

24,892

$

23,167

At December 31, 2019 and 2018, eight customers comprised 94.4% and 96.3%, respectively, of the costs and estimated earnings in excess of billings on uncompleted contracts, net of billings in excess of costs and estimated earnings, respectively.