Note 1. Description of Business

12 Months Ended

Mar. 31, 2013

Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]

NOTE 1.    DESCRIPTION OF BUSINESS

Exar Corporation was incorporated in California in 1971 and reincorporated in Delaware in 1991. Exar Corporation and its subsidiaries (“Exar” or “we”) is a fabless semiconductor company that designs, develops and markets high performance analog mixed-signal integrated circuits and advanced sub-system solutions for the Networking & Storage, Industrial & Embedded, and Communications Infrastructure markets. Exar's product portfolio includes power management and connectivity components, communications products and data compression and storage solutions.