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