Class A | Class B | Class C | Class D | Total | ||||||||||||||||
May 31, 2011 | 864,000 | 864,000 | 864,000 | 864,000 | 3,456,000 | |||||||||||||||
Issued | - | - | - | - | - | |||||||||||||||
Canceled / expired / exercised | - | - | - | - | - | |||||||||||||||
May 31, 2012 | 864,000 | 864,000 | 864,000 | 864,000 | 3,456,000 | |||||||||||||||
Issued | 2,531,747 | 1,000,000 | 1,000,000 | - | 4,531,747 | |||||||||||||||
Canceled / expired / exercised | - | - | - | - | - | |||||||||||||||
May 31, 2013 | 3,395,747 | 1,864,000 | 1,864,000 | 864,000 | 7,987,747 |