Note 2 - Basic and Diluted Net Loss per Common Share (Tables)

6 Months Ended

Sep. 30, 2014

Earnings Per Share [Abstract]

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

	September 30,
	2014		2013
Convertible debt		22,401,050		16,666,666
Stock options		4,305,110		4,506,775
Warrants		1,880,620		1,880,620
Restricted stock		1,387,752		207,902
Total anti-dilutive securities		29,974,532		23,261,963