Note 9 - Short-Term Debt (Details) - Short-term Debts (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 29, 2014
Note 9 - Short-Term Debt (Details) - Short-term Debts [Line Items]
Short-term debt	$ 65,000
Repayment	(26,000)
Stifel Financial Corp. [Member]
Note 9 - Short-Term Debt (Details) - Short-term Debts [Line Items]
Short-term debt	65,000
CTBC [Member]
Note 9 - Short-Term Debt (Details) - Short-term Debts [Line Items]
Short-term debt	$ 26,000