Quarterly report pursuant to Section 13 or 15(d)

10. Warrants (Tables)

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10. Warrants (Tables)
6 Months Ended
Sep. 30, 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             n/a       n/a  
  Issued             n/a       n/a  
  Cancelled/Expired       (463,146 )     $2.10 – $6.25     $ 2.61  
  Warrants outstanding at September 30, 2018       5,459,425       $1.10 – $12.05     $ 1.77  
  Warrants exercisable at September 30, 2018       5,459,425       $1.10 – $12.05     $ 1.77