Quarterly report pursuant to Section 13 or 15(d)

10. Warrants (Details)

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10. Warrants (Details) - Warrants [Member]
9 Months Ended
Dec. 31, 2018
$ / shares
shares
Number of Warrants  
Warrants outstanding, beginning 5,922,571
Warrants exercised (129,300)
Warrants issued 0
Warrants cancelled/expired (463,146)
Warrants outstanding, ending 5,330,125
Warrants exercisable 5,330,125
Range of Exercise Price  
Warrants outstanding, beginning $1.10-$12.05
Warrants exercised $1.10
Warrants issued n/a
Warrants cancelled/expired $2.10-$6.25
Warrants outstanding, ending $1.10-$12.05
Warrants exercisable $1.10-$12.05
Weighted Average Exercise Price  
Warrants outstanding, beginning | $ / shares $ 1.83
Warrants exercised | $ / shares 1.10
Warrants cancelled/expired | $ / shares 2.61
Warrants outstanding, ending | $ / shares 1.81
Warrants exercisable | $ / shares $ 1.81