Capital Stock (Tables)

6 Months Ended

Jul. 31, 2013

Text Block [Abstract]

Schedule of Ordinary Shares Reserved for Future Issuance

As of July 31, 2013 and January 31, 2013, the following ordinary shares were reserved for future issuance:

	As of		As of
	July 31, 2013		January 31, 2013
Shares reserved for options and restricted stock units		6,548,175		5,818,126
Shares reserved for employee stock purchase plan		798,383		460,445
Shares reserved for warrants		—		36,292