9. Stock Compensation (Details - Option activity)	9 Months Ended
	Dec. 31, 2018 $ / shares shares
Stock options granted	0
Options [Member]
Stock options Outstanding, beginning balance	409,047
Stock options exercised	0
Stock options granted	552,625
Stock options cancelled/forfeited	(35,000)
Stock options outstanding, ending balance	926,672
Stock options exercisable	356,047
Range of exercise prices, Option beginning	$1.68-$20.50
Range of exercise prices, Option exercised
Range of exercise prices, Option granted	$1.25
Range of exercise prices, Option cancelled/expired	$20.50
Range of exercise prices, Option ending	$1.25-$12.50
Range of exercise prices, Option exercisable	$1.68-$12.50
Weighted Average Exercise Price, beginning price | $ / shares	$ 9.51
Weighted Average Exercise Price, granted | $ / shares	1.25
Weighted Average Exercise Price, cancelled/expired | $ / shares	20.50
Weighted Average Exercise Price, ending price | $ / shares	4.17
Weighted Average Exercise Price, exercisable | $ / shares	$ 8.83