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Consolidated Statement Of Stockholders' Equity (Parenthetical) (USD $) | Sep. 30, 2003 Issued For Cash At $0.01 Per Unit [Member] | Sep. 30, 2004 Issued For Cash At $10.00 Per Unit [Member] | Sep. 30, 2003 Issued For Cash At $10.00 Per Unit [Member] | Sep. 30, 2004 Issued For Marketable Securities At $10.00 Per Unit [Member] | Sep. 30, 2004 Issued For Cash At $15.00 Per Unit [Member] | Sep. 30, 2004 Issued as a Gift for $10.90 Per Share [Member] | Sep. 30, 2004 Issued As Stock Issuance Cost At $15.00 Per Unit [Member] | Sep. 30, 2004 Exercised At $2.00 Per Share [Member] | Sep. 30, 2005 Exercised At $10.00 Per Share [Member] | Sep. 30, 2004 Exercised At $10.00 Per Share [Member] | Sep. 30, 2005 Exercised At $15.00 Per Share [Member] | Sep. 30, 2006 Issued At $48.80 Per Share [Member] | Sep. 30, 2005 Issued To Purchase Insert Therapeutics Share At $39.80 Per Share [Member] | Sep. 30, 2006 Issued At $38.40 Per Share [Member] | Sep. 30, 2006 Issued At $35.00 Per Share [Member] | Sep. 30, 2006 Issued At $59.10 Per Share [Member] | Sep. 30, 2006 Issued To Purchase Calando Pharmaceuticals Inc At $51.70 Per Share [Member] | Sep. 30, 2007 Issued At $57.80 Per Share [Member] | Sep. 30, 2007 Issued For Purchase Of Carbon Nanotechnologies Inc At $37.70 Per Share [Member] | Sep. 30, 2008 Issued At Approximately $18.00 Per Share Net [Member] | Sep. 30, 2008 Issued At $27.20 Per Share To Rice University [Member] | Sep. 30, 2008 Issued At $28.30 Per Share To Purchase Shares Of Unidym Inc [Member] | Sep. 30, 2008 Issued At $29.50 per Share To Purchase MASA Energy LLC [Member] | Sep. 30, 2008 Issued At $21.90 Per Share To Unidym For The Acquisition Of Nanoconduction [Member] | Sep. 30, 2008 Issued At $21.80 Per Share [Member] | Sep. 30, 2009 Issued At $5.50 Per Share To Unidym Stockholder In Exchange For Unidym's Shares [Member] | Sep. 30, 2009 Issued At $5.20 Per Share To TEL Ventures In Exchange For Unidym's Shares [Member] | Sep. 30, 2009 Issued At $3.00 Per Share [Member] | Sep. 30, 2010 Issued At $6.30 Per Share [Member] | Sep. 30, 2010 Issued At $13.12 Per Share [Member] | Sep. 30, 2011 Issued At $3.80 Per Share [Member]
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Common stock & warrants issued for cash, price per unit | $ 0.01 | $ 10 | $ 10 | $ 10 | $ 15 | $ 10.9 | $ 15 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise of stock options, price per share |  |  |  |  |  |  |  | $ 2 | $ 10 | $ 10 | $ 15 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock issued, par value per share |  |  |  |  |  |  |  |  |  |  |  | $ 48.8 | $ 39.8 | $ 38.4 | $ 35 | $ 59.1 | $ 51.7 | $ 57.8 | $ 37.7 | $ 18 | $ 27.2 | $ 28.3 | $ 29.5 | $ 21.9 | $ 21.8 | $ 5.5 | $ 5.2 | $ 3 | $ 6.3 | $ 13.12 | $ 3.80

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