Note 3 - Acquisition (Details) (USD $)
9 Months Ended 1 Months Ended 2 Months Ended
Sep. 29, 2013
Aug. 01, 2013
Fujitsu Semiconductor Limited [Member]
Sep. 29, 2013
Fujitsu Semiconductor Limited [Member]
Note 3 - Acquisition (Details) [Line Items]      
Business Combination, Consideration Transferred   $ 158,500,000  
Payments to Acquire Businesses, Net of Cash Acquired 148,144,000 150,000,000  
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual     $ 92,900,000