XML 19 R70.htm IDEA: XBRL DOCUMENT v2.4.1.9
Note 9 - Short-term Debt (Details) - Interest on Short-term Debt (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 9 Months Ended
Dec. 28, 2014
Dec. 28, 2014
Note 9 - Short-term Debt (Details) - Interest on Short-term Debt [Line Items]    
Interest on short-term debt $ 9us-gaap_InterestExpenseDebt $ 911us-gaap_InterestExpenseDebt
CTBC [Member]    
Note 9 - Short-term Debt (Details) - Interest on Short-term Debt [Line Items]    
Interest on short-term debt 9us-gaap_InterestExpenseDebt
/ us-gaap_DebtInstrumentAxis
= exar_CTBCMember		 265us-gaap_InterestExpenseDebt
/ us-gaap_DebtInstrumentAxis
= exar_CTBCMember
Stifel Financial Corp. [Member]    
Note 9 - Short-term Debt (Details) - Interest on Short-term Debt [Line Items]    
Interest on short-term debt   $ 646us-gaap_InterestExpenseDebt
/ us-gaap_DebtInstrumentAxis
= exar_StifelFinancialCorpMember