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Major Customers and International Sales (Tables)

12 Months Ended

Dec. 31, 2020

Segment Reporting [Abstract]

Summary of International Sales

International sales for 2020, 2019 and 2018 were as follows:

		2020				2019				2018
South and Central America		$	102,281			$	111,106			$	86,172
Mexico			33,517				28,835				24,578
Asia			19,290				15,554				14,828
Canada			10,572				11,637				3,403
Australia			9,902				2,798				2,635
Africa			6,072				6,750				8,027
Middle East			3,054				2,392				3,256
Europe			2,292				6,889				11,059
		$	186,980			$	185,961			$	153,958

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- Definition

Tabular disclosure of the extent of the entity's reliance on its major customers, if revenues from transactions with a single external customer amount to 10 percent or more of entity revenues, including the disclosure of that fact, the total amount of revenues from each such customer, and the identity of the reportable segment or segments reporting the revenues. The entity need not disclose the identity of a major customer or the amount of revenues that each segment reports from that customer. For these purposes, a group of companies known to the entity to be under common control is considered a single customer, and the federal government, a state government, a local government such as a county or municipality, or a foreign government is each considered a single customer.

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