Note 6 - Major Customers	3 Months Ended
Mar. 31, 2012
Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block]	(6) MAJOR CUSTOMERS During the three months ended March 31, 2012, Texas Instruments Incorporated accounted for 19% 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 segment. During the three months ended March 31, 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 three months ended March 31, 2012. During the three months ended March 31, 2011, no customer accounted for 10% or more of our consolidated net revenues.

Note 6 - Major Customers

3 Months Ended

Mar. 31, 2012

Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block]

(6) MAJOR CUSTOMERS

During the three months ended March 31, 2012, Texas Instruments Incorporated accounted for 19% 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 segment. During the three months ended March 31, 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 three months ended March 31, 2012. During the three months ended March 31, 2011, no customer accounted for 10% or more of our consolidated net revenues.