10. Warrants (Details - Warrant activity) - Warrants [Member]	9 Months Ended
	Dec. 31, 2016 $ / shares shares
Warrants outstanding, beginning | shares	2,164,094
Warrants exercised | shares	(2,660)
Warrants issued | shares	157,575
Warrants cancelled/expired | shares	(43,163)
Warrants outstanding, ending | shares	2,275,846
Warrants exercisable | shares	2,275,846
Range of exercise prices, warrants beginning	$2.10-$15.00
Range of exercise prices, warrants exercised	6.25
Range of exercise prices, warrants issued	4.60
Range of exercise prices, warrants cancelled/expired	6.25
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	$ 6.68
Weighted average exercise price, warrants exercised | $ / shares	6.25
Weighted average exercise price, warrants issued | $ / shares	4.60
Weighted average exercise price, warrants cancelled/expired | $ / shares	6.25
Weighted average exercise price, warrants ending | $ / shares	5.27
Weighted average exercise price, warrants exercisable | $ / shares	$ 5.27