Quarterly report pursuant to Section 13 or 15(d)

10. Warrants (Details - Warrant activity)

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10. Warrants (Details - Warrant activity) - Warrant [Member]
9 Months Ended
Dec. 31, 2017
$ / shares
shares
Warrants outstanding, beginning | shares 2,604,096
Warrants exercised | shares (218,600)
Warrants issued | shares 5,618,182
Warrants cancelled/expired | shares (139,357)
Warrants outstanding, ending | shares 7,864,321
Warrants exercisable, shares | shares 7,864,321
Range of exercise prices, warrants beginning $2.10 - $12.05
Range of exercise prices, warrants exercised 1.10
Range of exercise prices, warrants issued 1.10
Range of exercise prices, warrants cancelled/expired $5.00 –$15.00
Range of exercise prices, warrants ending $1.10 - $12.05
Range of exercise prices, warrants exercisable $1.10 - $12.05
Weighted average exercise price, warrants beginning | $ / shares $ 3.64
Weighted average exercise price, warrants exercised | $ / shares 1.10
Weighted average exercise price, warrants issued | $ / shares 1.10
Weighted average exercise price, warrants cancelled/expired | $ / shares 6.52
Weighted average exercise price, warrants ending | $ / shares 1.38
Weighted average exercise price, warrants exercisable | $ / shares $ 1.38