Quarterly report pursuant to Section 13 or 15(d)

10. Warrants (Tables)

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10. Warrants (Tables)
9 Months Ended
Dec. 31, 2018
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule of warrant activity
    Amount     Range of
Exercise
Price
    Weighted
Average
Exercise
Price
 
Warrants outstanding at March 31, 2018     5,922,571       $1.10 - $12.05     $ 1.83  
Exercised     (129,300 )   $ 1.10     $ 1.10  
Issued           n/a       n/a  
Cancelled/Expired     (463,146 )     $2.10 – $6.25     $ 2.61  
Warrants outstanding at December 31, 2018     5,330,125       $1.10 – $12.05     $ 1.81  
Warrants exercisable at December 31, 2018     5,330,125       $1.10 – $12.05     $ 1.81