Subsequent Events

3 Months Ended

Jul. 31, 2018

Subsequent Events [Abstract]

Subsequent Events

Subsequent Events

On August 23, 2018 and August 27, 2018 the following transaction occurred:

• 114,583 warrants were exercised at an exercise price per warrant of $5.76,

• 8,594 warrants were exercised at an exercise price per warrant of $5.76.