Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 2020

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)	2020		2019		2020		2019
Revenues:
United States	$	102,945	$	93,395	$	278,191	$	275,152
Foreign:
Asia		1,634		2,816		4,619		6,555
Canada		2,615		3,437		7,876		10,755
Europe		3,728		4,327		11,796		14,128
Mexico		1,226		1,682		4,221		3,519
Middle East		904		1,317		4,659		4,382
Other		535		1,672		1,852		2,578
Total	$	113,587	$	108,646	$	313,214	$	317,069

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)	2020		2019		2020		2019
Revenue recognized over time	$	5,542	$	3,857	$	15,523	$	11,341
Revenue recognized at a point in time		108,045		104,789		297,691		305,728
Total	$	113,587	$	108,646	$	313,214	$	317,069

Contract with Customer, Liability and Receivables

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

	September 30, 2020		December 31, 2019
(In thousands)
Receivables	$	57,706	$	61,365
Contract liabilities		22,807		20,143