Stock Options and Warrants (Tables)
|12 Months Ended|
May 31, 2016
|Stock Option and Warrant Activity||
The following table represents stock option and warrant activity for the periods ended May 31, 2016 and 2015:
Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year.
Reference 1: http://www.xbrl.org/2003/role/presentationRef