Note 4 - Earnings (Loss) Per Share (Tables)

6 Months Ended

Sep. 30, 2013

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Three Months Ended September 30,						Six Months Ended September 30,
	2013			2012			2013			2012
Net loss	$	(1,508,271	)	$	(1,769,091	)	$	(2,566,745	)	$	(2,762,728	)
Cumulative dividends		(75,000	)		(7,500	)		(150,000	)		(15,000	)
Net loss attributable to common shareholders	$	(1,583,271	)	$	(1,776,591	)	$	(2,716,745	)	$	(2,777,728	)