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Major Customers and International Sales (Tables)

12 Months Ended

Dec. 31, 2016

Text Block [Abstract]

Summary of International Sales

International sales for 2016, 2015 and 2014 were as follows:

		2016				2015				2014
Mexico		$	16,690			$	17,096			$	14,601
South & Central America			16,234				15,970				16,585
Europe			14,519				12,350				13,249
Asia			17,138				13,847				7,683
Africa			7,111				8,622				9,310
Australia			3,735				4,158				4,202
Canada			3,690				1,585				4,910
Middle East			4,041				3,230				3,166
Other			101				437				—
		$	83,259			$	77,295			$	73,706

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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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