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Major Customers and International Sales (Tables)

12 Months Ended

Dec. 31, 2019

Segment Reporting [Abstract]

Summary of International Sales

International sales for 2019, 2018 and 2017 were as follows:

		2019				2018				2017
South and Central America		$	111,106			$	86,172			$	25,748
Mexico			28,835				24,578				16,030
Asia			15,554				14,828				28,880
Canada			11,637				3,403				4,083
Europe			6,889				11,059				10,700
Africa			6,750				8,027				7,893
Australia			2,798				2,635				4,334
Middle East			2,392				3,256				1,237
		$	185,961			$	153,958			$	98,905

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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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