STATEMENTS OF OPERATIONS (USD $)
 3 Months Ended 9 Months Ended 83 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Mar. 31, 2012
Mar. 31, 2011
Mar. 31, 2012
Revenues $ 0 $ 0 $ 0 $ 0 $ 0
Operating expenses:          
Research and development 1,582,705 1,652,309 3,252,745 3,524,784 17,497,963
Refund credit research and development costs 0 42,265 0 42,265 (420,842)
General and administrative 494,080 863,083 1,281,755 1,600,867 10,183,317
Total operating expenses 2,076,785 2,557,657 4,534,500 5,167,916 27,260,438
Loss from operations (2,076,785) (2,557,657) (4,534,500) (5,167,916) (27,260,438)
Other income (expense):          
Interest income 30,801 882 40,283 6,572 205,607
Non cash interest on convertible debentures 0 0 0 0 (73,930)
Non cash interest expense on beneficial conversion of convertible debentures 0 0 0 0 (713,079)
Change in fair market value of derivative liability 14,131 10,088 (68,931) (58,200) 61,783
Total other income (expense) 44,932 10,970 (28,648) (51,628) (519,619)
Loss before income taxes (2,031,853) (2,546,687) (4,563,148) (5,219,544) (27,780,057)
Income tax provision 0 0 0 0 0
Net loss $ (2,031,853) $ (2,546,687) $ (4,563,148) $ (5,219,544) $ (27,780,057)
Net loss per common share: - basic and diluted (in dollars per share) $ (0.013) $ (0.02) $ (0.031) $ (0.04)  
Weighted average common shares outstanding: - basic and diluted (in shares) 151,556,920 140,222,753 147,890,395 137,995,662