REVENUE (Tables)

12 Months Ended

Dec. 31, 2019

REVENUE.

Schedule of disaggregation of revenue

Disaggregated revenue by type of contract was as follows.

	Year Ended December 31,
(in thousands)	2019		2018
Cost-plus reimbursement contracts	$	210,538	$	158,278
Fixed-price contracts		35,249		30,640
Total	$	245,787	$	188,918

Disaggregated revenue by the geographic area where the work was performed was as follows:

	Year Ended December 31,
(in thousands)	2019		2018
United States	$	228,820	$	188,918
Canada		16,967		—
Total	$	245,787	$	188,918

Costs and estimated earnings in excess of billings or billings in excess of costs and estimated earnings

	December 31,
(in thousands)	2019		2018
Costs incurred on uncompleted contracts	$	214,887	$	160,368
Earnings recognized on uncompleted contracts		30,902		28,581
Total		245,789		188,949
Less—billings to date		(241,263)		(184,009)
Net	$	4,526	$	4,940
Contract assets	$	7,225	$	8,218
Contract liabilities		(2,699)		(3,278)
Net	$	4,526	$	4,940

Schedule of transaction price allocated to the remaining performance obligations

(in thousands)	2020		2021		Thereafter		Total
Remaining performance obligations	$	191,282	$	116,900	$	186,722	$	494,904