Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 2021

Revenue From Contract With Customer [Abstract]

Disaggregation of Revenue

Information regarding revenues disaggregated by geographic area is as follows:

	Three months ended September 30,				Nine months ended September 30,
(In thousands)	2021		2020		2021		2020
Revenues:
United States	$	111,281	$	102,945	$	313,326	$	278,191
Foreign:
Asia		3,927		1,634		12,402		4,619
Canada		3,021		2,615		9,086		7,876
Europe		7,044		3,728		23,396		11,796
Mexico		948		1,226		4,025		4,221
Middle East		1,996		904		5,757		4,659
Other		521		535		1,457		1,852
Total	$	128,738	$	113,587	$	369,449	$	313,214

Information regarding revenues disaggregated by the timing of when goods and services are transferred is as follows:

	Three months ended September 30,						Nine months ended September 30,
(In thousands)	2021			2020			2021			2020
Revenue recognized over time	$	7,427	5.8%	$	5,542	4.9%	$	21,006	5.7%	$	15,523	5.0%
Revenue recognized at a point in time		121,311	94.2%		108,045	95.1%		348,443	94.3%		297,691	95.0%
Total	$	128,738	100.0%	$	113,587	100.0%	$	369,449	100.0%	$	313,214	100.0%

Contract with Customer, Liability and Receivables

The closing balances of the Company's receivables and contract liabilities are as follows:

	September 30, 2021		December 31, 2020
(In thousands)
Receivables	$	73,747	$	61,689
Contract liabilities		29,008		24,761