Note 9 - Short-Term Debt (Details) - Short-term Debts (USD $) In Thousands, unless otherwise specified	Sep. 28, 2014
Note 9 - Short-Term Debt (Details) - Short-term Debts [Line Items]
Short-term debt	$ 26,000
CTBC [Member]
Note 9 - Short-Term Debt (Details) - Short-term Debts [Line Items]
Short-term debt	26,000
Stifel Financial Corp. [Member]
Note 9 - Short-Term Debt (Details) - Short-term Debts [Line Items]
Short-term debt	$ 0