Ordinary Shares
 9 Months Ended
Jan. 31, 2022
Equity [Abstract]  
Ordinary Shares Ordinary Shares
Each holder of ordinary shares has the right to one vote per ordinary share. The holders of ordinary shares are also entitled to receive dividends whenever funds are legally available and when declared by the board of directors, subject to the prior rights of holders of all classes of shares outstanding having priority rights to dividends. No dividends have been declared by the Company’s board of directors from inception through January 31, 2022.
Ordinary Shares Reserved for Issuance
The Company had reserved ordinary shares for issuance as follows:
 
 As of
January 31, 2022		As of
April 30, 2021
Stock options issued and outstanding5,486,883 7,611,016 
RSUs issued and outstanding4,034,604 3,301,283 
Remaining shares available for future issuance under the 2012 Plan18,817,211 15,737,819 
Total ordinary shares reserved28,338,698 26,650,118 
Convertible Preference Shares
The Company's board of directors has the authority, for a period of five years from October 10, 2018, without further action by the Company's shareholders, to issue up to 165 million shares of undesignated convertible preference shares with rights and preferences, including voting rights, designated from time to time by the board of directors. As of January 31, 2022, there were no convertible preference shares issued or outstanding.