9. Stock Compensation (Details - Option activity) - Options	6 Months Ended
	Sep. 30, 2015 $ / shares shares
Options outstanding, beginning	501,690
Options exercised	0
Options granted	0
Options cancelled/expired	(6,000)
Options outstanding, ending	495,690
Options exercisable	445,557
Range of exercise price, options outstanding beginning	$4.00-$20.50
Range of exerices price, options cancelled/expired	20.50
Range of exercise price, options outstanding ending	$4.00-$20.50
Range of exerices price, options exercisable	$4.00-$20.50
Weighted average exercise price, options beginning | $ / shares	$ 12.50
Weighted average exercise price, options cancelled/expired | $ / shares	20.50
Weighted average exercise price, options ending | $ / shares	10.89
Weighted average exercise price, options exercisable | $ / shares	$ 11.66