STATEMENTS OF STOCKHOLDERS' DEFICIT (USD $)	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Total
Balance at Feb. 28, 2011	$ 6,072	$ 379,819,510	$ (391,254,160)	$ (11,428,578)
Balance (in shares) at Feb. 28, 2011	60,720,956
Common stock issued in private placements, net	246	1,453,274	0	1,453,520
Common stock issued in private placements, (in shares)	2,460,849			11,221,713
Shares issued for note conversions	222	1,515,738	0	1,515,960
Shares issued for note conversions (in shares)	2,227,612
Shares issued for settlement of accounts payable	101	656,898	0	656,999
Shares issued for settlement of accounts payable (in shares)	1,006,054
Shares issued for services	163	1,128,837	0	1,129,000
Shares issued for services (in shares)	1,625,000			2,460,849
Shares issued in lieu of salary	304	2,087,144	0	2,087,448
Shares issued for in lieu of salary (in shares)	3,042,199
Shares issued as placement fees	86	(86)	0	0
Shares issued as placement fees (in shares)	859,999
Allocation of proceeds from convertible notes payable issued with warrants	0	3,366,248	0	3,366,248
Employee option and warrant expense	0	3,774,059	0	3,774,059
Net Loss	0	0	(14,153,704)	(14,153,704)
Balance at Feb. 29, 2012	7,194	393,801,622	(405,407,864)	(11,599,048)
Balance (in shares) at Feb. 29, 2012	71,942,669
Common stock issued in private placements, net	387	1,251,713	0	1,252,100
Common stock issued in private placements, (in shares)	3,866,867			4,661,904
Shares issued for note conversions	34	157,360	0	157,394
Shares issued for note conversions (in shares)	341,748
Shares issued for settlement of accounts payable	4	19,309	0	19,313
Shares issued for settlement of accounts payable (in shares)	37,500
Shares issued for services	41	315,959	0	316,000
Shares issued for services (in shares)	415,789			3,866,867
Employee option and warrant expense	0	2,943,600	0	2,943,600
Discount on convertible notes payable	0	460,205	0	460,205
Net Loss	0	0	(15,147,848)	(15,147,848)
Balance at Feb. 28, 2013	$ 7,660	$ 398,949,767	$ (420,555,712)	$ (21,598,286)
Balance (in shares) at Feb. 28, 2013	76,604,573