8. STOCKHOLDERS EQUITY (Details)	Jan. 31, 2013
Stockholders Equity Details
Common shares reserved for issuance under outstanding option grants and available for issuance under our stock incentive plans	20,150,287
Common shares reserved for and available for issuance under our Employee Stock Purchase Plan	3,889,004
Common shares issuable upon exercise of outstanding warrants	374,803
Total shares of common stock reserved for issuance	24,414,094

Aggregate number of common shares reserved for future issuance.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.29)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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