Note 6 - Major Customers	12 Months Ended
Dec. 31, 2013
Table Text Block [Abstract]
Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block]	(6) MAJOR CUSTOMERS Texas Instruments Incorporated accounted for 13% and 14% of our consolidated net revenues in 2013 and 2012, respectively. While all three of our operating segments sold products to this customer, these revenues were primarily generated by our Mechanical Products and Electrical Products segments. Teradyne, Inc. accounted for 11% of our consolidated net revenues in 2012. While all three of our operating segments sold products to this customer, these revenues were primarily generated by our Electrical Products segment. During the years ended December 31, 2013 and 2012, no other customer accounted for 10% or more of our consolidated net revenues.

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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