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

3 Months Ended

Jun. 30, 2013

Earnings Per Share [Abstract]

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

	June 30,
	2013		2012
Convertible debt		15,833,333		-
Stock options		6,076,858		5,918,080
Warrants		1,880,620		1,880,620
Restricted stock		78,028		200,331
Total anti-dilutive securities		23,868,839		7,999,031