Note 6 - Major Customers	9 Months Ended
Sep. 30, 2012
Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block]	(6) MAJOR CUSTOMERS During the nine months ended September 30, 2012 and 2011, Texas Instruments Incorporated accounted for 16% and 12%, respectively, of our consolidated net revenues. While all three of our operating segments sold products to this customer, these revenues were primarily generated by our Mechanical Products and our Electrical Products segments. During the nine months ended September 30, 2012, Teradyne, Inc. accounted for 13% of our consolidated net revenues. While both our Mechanical Products and our Electrical Products segments sold products to this customer, these revenues were primarily generated by our Electrical Products segment. No other customer accounted for 10% or more of our consolidated net revenues during the nine months ended September 30, 2012 and 2011.

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.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 131

-Paragraph 39

Name:	us-gaap_ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration