Stock Options and Warrants (Tables)
|9 Months Ended|
Feb. 28, 2017
|Stock Option and Warrant Activity||
The following table represents stock option and warrant activity, as of and for the nine-months ended February 28, 2017:
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