8. WARRANTS

6 Months Ended

Oct. 31, 2016

Warrants and Rights Note Disclosure [Abstract]

WARRANTS

No warrants were issued or exercised during the three and six months ended October 31, 2016. As of October 31, 2016, warrants to purchase 273,280 shares of our common stock at an exercise price of $2.47 were outstanding and are exercisable through August 30, 2018.