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Organization and Basis of Presentation (Details) (USD $) | 1 Months Ended | 6 Months Ended | 9 Months Ended | 101 Months Ended | 110 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Jan. 31, 2011 | Jun. 30, 2012 Subsidaries | Jun. 30, 2012 Units Subsidaries | Jun. 30, 2011 | Sep. 30, 2011 | Jun. 30, 2012 Subsidaries | Oct. 21, 2011 Employess | Sep. 30, 2010 | May 07, 2003
Organization and Basis of Presentation (Textual) [Abstract] |  |  |  |  |  |  |  |  |
Number of subsidiaries |  | 2 | 2 |  |  | 2 |  |  |
Cash for fund operation |  | $ 2,282,641 | $ 2,282,641 | $ 4,316,308 | $ 7,507,389 | $ 2,282,641 |  | $ 6,847,162 |
Cash position decreased during last six months |  |  | (5,224,748) | (2,530,854) | 7,507,389 | 2,282,641 |  |  |
Cash from issuance of equity |  |  | 5,400,000 |  |  |  |  |  |
Proceeds from sale of investments |  |  | 509,009 | 1,130,307 | 2,804,600 | 3,313,609 |  |  |
Proceeds from Revenue |  |  | 200,000 |  |  |  |  |  |
Cash outflow from continuing operations |  |  | (10,752,290) | (5,993,049) | (60,537,706) | (71,289,996) |  |  |
Capital Expenditure |  | 400,000 |  |  |  |  |  |  |
Date of selling units in registered offering |  |  | August 13, 2012 |  |  |  |  |  |
Units sold in registered offering to institutional and individual investors |  |  | 2,300,000 |  |  |  |  |  |
Selling price per unit sold in registered offering |  |  | 2.76 |  |  |  |  |  |
Unit sold, description |  |  | Each unit consisted on one share of Arrowhead Common Stock and a warrant |  |  |  |  |  |
Number of shares that can be purchased by a warrant |  | 0.75 | 0.75 |  |  | 0.75 |  |  |
Common stock exercisable price |  | $ 3.25 | $ 3.25 |  |  | $ 3.25 |  |  |
Gross proceeds from registered offerings |  |  | 6,200,000 |  |  |  |  |  |
Net proceeds from registered offerings after deducting commissions and fees |  |  | 5,800,000 |  |  |  |  |  |
Non cash consideration received in sale of interest in subsidiary, shares | 2,500,000 |  |  |  |  |  |  |  |
Non cash consideration received in sale of interest in subsidiary, bonds | 2,500,000 |  |  |  |  |  |  |  |
Non cash consideration received in sale of interest in subsidiary owed to third party | 200,000 |  |  |  |  |  |  |  |
Redemption date of bonds |  |  | 41291 |  |  |  |  |  |
Subscription Receivable |  | 1,000,000 | 1,000,000 |  | 900,000 | 1,000,000 |  |  |
Drawing Limit under Equity Line Facility |  | 15,000,000 | 15,000,000 |  |  | 15,000,000 |  |  |
Common stock issued, Shares |  | 11,310,816 | 11,310,816 |  | 8,642,286 | 11,310,816 |  |  |
Number of employees at the time of acquisition |  |  |  |  |  |  | 41 |  |
Wisepower [Member] |  |  |  |  |  |  |  |  |
Organization and Basis of Presentation (Textual) [Abstract] |  |  |  |  |  |  |  |  |
Proceeds from sale of investments |  |  | 500,000 |  |  |  |  |  |
Common stock per share |  | $ 2.00 | $ 2.00 |  |  | $ 2.00 |  |  |
Drawing Limit under Equity Line Facility |  | $ 1,000,000 | $ 1,000,000 |  |  | $ 1,000,000 |  |  |
Common stock issued, Shares |  | 181,042 | 181,042 |  |  | 181,042 |  |  |

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