10. Warrants (Details - Warrant activity) - Warrants	6 Months Ended
	Sep. 30, 2015 $ / shares shares
Warrants outstanding, beginning	1,430,738
Warrants exercised	(5,292)
Warrants issued	746,656
Warrants cancelled/expired	(1,252)
Warrants outstanding, ending	2,170,850
Warrants exercisable	2,170,850
Range of exercise prices, warrants beginning	$2.10-$15.00
Range of exercise prices, warrants exercised	$2.10
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