Capital Stock (Tables)

9 Months Ended

Oct. 31, 2013

Equity [Abstract]

Schedule of Ordinary Shares Reserved for Future Issuance

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

	As of		As of
	October 31, 2013		January 31, 2013
Shares reserved for options and restricted stock units		6,235,400		5,818,126
Shares reserved for employee stock purchase plan		456,410		460,445
Shares reserved for warrants		—		36,292