Capital Stock

9 Months Ended

Oct. 31, 2013

Equity [Abstract]

Capital Stock

6. Capital Stock

Preference shares

After completion of the Company’s initial public offering, or IPO, a total of 20,000,000 preference shares, with a $0.00045 par value per share, were authorized. There were no preference shares issued and outstanding as of October 31, 2013 and January 31, 2013, respectively.

Warrants

In connection with a financing agreement in 2004, the Company issued warrants to purchase 36,292 redeemable convertible preference shares at an exercise price of $3.582 per share. Upon the completion of the IPO, the warrants to purchase redeemable convertible preference shares converted to warrants to purchase ordinary shares. As of October 31, 2013, the warrants were fully exercised and were no longer outstanding.

Ordinary shares

At October 31, 2013 and January 31, 2013, a total of 200,000,000 ordinary shares were authorized. 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