Statements of Stockholders' Deficit - USD ($)	Total	Common Stock	Additional Paid-In Capital	Accumulated Deficit
Balance at Feb. 28, 2013	$ (23,932,488)	$ 7,661	$ 400,029,521	$ (423,969,670)
Balance, shares at Feb. 28, 2013		76,604,573
Shares issued for note conversions	1,127,002	$ 267	1,126,736
Shares issued for note conversions, shares		2,660,225
Shares issued for services	974,726	$ 356	974,370
Shares issued for services, shares		3,562,118
Shares issued for cancellation of warrants		$ 425	(425)
Shares issued for cancellation of warrants, shares		4,254,250
Shares issued for re-pricing		$ 183	(183)
Shares issued for re-pricing, shares		1,833,333
Discount on convertible notes payable	1,484,538		1,484,538
Employee option and warrant expense	699,459		699,459
Net Loss	(12,724,158)			(12,724,158)
Balance at Feb. 28, 2014	(32,370,921)	$ 8,892	404,314,016	(436,693,828)
Balance, shares at Feb. 28, 2014		88,914,499
Common stock issued in private placements, net	631,461	$ 399	631,061
Common stock issued in private placements, net, shares		3,992,400
Shares issued for services	420,000	$ 280	419,720
Shares issued for services, shares		2,800,000
Employee option and warrant expense	3,308,175		3,308,175
Shares issued for warrant exercise	1,733,453	$ 1,733	1,731,720
Shares issued for warrant exercise, shares		17,334,533
Net Loss	(12,287,252)			(12,287,252)
Balance at Feb. 28, 2015	$ (38,565,084)	$ 11,304	$ 410,404,692	$ (448,981,080)
Balance, shares at Feb. 28, 2015		113,041,432