Note 4 - Major Customers

6 Months Ended

Jun. 30, 2015

Risks and Uncertainties [Abstract]

Concentration Risk Disclosure [Text Block]

(4)  MAJOR CUSTOMERS

During the six months ended June 30, 2015 and 2014, Hakuto Co., Ltd., one of our distributors, accounted for 12% and 11% of our consolidated net revenues, respectively. These revenues were generated by our Thermal Products segment. During the six months ended June 30, 2014, Texas Instruments Incorporated accounted for 13% 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. No other customers accounted for 10% or more of our consolidated net revenues during the six months ended June 30, 2015 and 2014.