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10. Warrants (Details - Warrant activity) - Warrants
 9 Months Ended
Dec. 31, 2015
$ / shares
shares
Warrants outstanding, beginning | shares 1,430,738
Warrants exercised | shares (12,049)
Warrants issued | shares 746,656
Warrants cancelled/expired | shares (1,252)
Warrants outstanding, ending | shares 2,164,093
Warrants exercisable | shares 2,164,093
Range of exercise prices, warrants beginning $2.10-$15.00
Range of exercise prices, warrants exercised $2.10-$5.40
Range of exercise prices, warrants issued $6.30
Range of exercise prices, warrants cancelled/expired $2.10
Range of exercise prices, warrants ending $2.10-$15.00
Range of exercise prices, warrants exercisable $2.10-$15.00
Weighted average exercise price, warrants beginning | $ / shares $ 6.84
Weighted average exercise price, warrants exercised | $ / shares 2.10
Weighted average exercise price, warrants issued | $ / shares 6.30
Weighted average exercise price, warrants cancelled/expired | $ / shares 2.10
Weighted average exercise price, warrants ending | $ / shares 6.67
Weighted average exercise price, warrants exercisable | $ / shares $ 6.67