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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, 2005 Issued to purchase Insert Therapeutics share at $39.80 per share [Member] | Sep. 30, 2006 Issued at $48.80 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, net [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, 2012 Issued at $3.80 per share [Member] | Sep. 30, 2012 Issued at $3.70 per share [Member] | Sep. 30, 2012 Issued at $4.00 per share [Member] | Sep. 30, 2012 Issued at $6.23 per share [Member] | Sep. 30, 2012 Issued at $5.11 per share [Member] | Sep. 30, 2012 Issued at $2.76 per share [Member] | Sep. 30, 2012 Preferred stock issued @ $1,000 per share [Member] | Dec. 31, 2012 Issued @ $2.26 per share [Member] | Dec. 31, 2012 Issued @ $4.49 per share [Member]
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Preferred stock issued, par value per share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,000 |  |
Common stock & warrants issued for cash, price per unit | $ 0.01 | $ 10.00 | $ 10.00 | $ 10.00 | $ 15.00 | $ 10.90 | $ 15.00 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise of stock options, price per share |  |  |  |  |  |  |  | $ 2 | $ 10 | $ 10 | $ 15 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock issued, par value per share |  |  |  |  |  |  |  |  |  |  |  | $ 39.8 | $ 48.8 | $ 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 | $ 6.34 | $ 13.12 | $ 3.8 | $ 3.7 | $ 4 | $ 6.23 | $ 5.11 | $ 2.76 |  | $ 2.26 | $ 4.29

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