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Costs and Estimated Earnings on Uncompleted Contracts
12 Months Ended
Dec. 31, 2020
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, 2020

December 31, 2019

(in thousands)

Costs incurred on uncompleted contracts

$

54,949

$

52,339

Estimated earnings

21,778

19,954

Billings to date

(43,725)

(47,401)

$

33,002

$

24,892

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

As of

As of

December 31, 2020

December 31, 2019

(in thousands)

Costs and estimated earnings in excess of billings on uncompleted contracts

$

34,796

$

26,313

Billings in excess of costs and estimated earnings on

uncompleted contracts (included in Other current liabilities)

(1,794)

(1,421)

$

33,002

$

24,892

At December 31, 2020 and 2019, eight customers comprised 99.4% and 94.4%, 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.