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Related party transactions (Details) (USD $) | Dec. 31, 2012 | Sep. 30, 2011 | Dec. 31, 2010 | Dec. 31, 2009 | May 21, 2009 | Nov. 20, 2007 | Jul. 01, 2006
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Company made an unsecured loan to ERC in millions |  |  |  |  |  |  | 1.4
Annual interest rate of unsecured loan to ERC |  |  |  |  |  |  | 8.00%
Balance of the two notes and accrued interest |  |  |  |  | $ 3,970,897 |  |
Company made a loan to PIAMI |  |  |  |  |  | 630,000 |
Company made additional net advances on the loan to PIAMI in millions |  | 360,000 |  |  |  | 6.3 |
Balance due including accrued interest PIAMI in millions |  |  |  | 11.1 |  |  |
Outstanding principal and interest in millions |  |  | 10.4 |  |  |  |
Payments from PIAMI |  | 715,000 |  |  |  |  |
The Company and several other defendants settled a lawsuit | 225,000 |  |  |  |  |  |
Paid the entire amount and has a note receivable from one of the other defendants | $ 112,500 |  |  |  |  |  |

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- Definition Company made additional net advances on the loan to PIAMI in millions + References No definition available. + Details
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- Definition Company made a loan to PIAMI + References No definition available. + Details
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- Definition Company made an unsecured loan to ERC in millions + References No definition available. + Details
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- Definition Paid the entire amount and has a note receivable from one of the other defendants + References No definition available. + Details
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- Definition Payments from PIAMI + References No definition available. + Details
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- Definition The Company and several other defendants settled a lawsuit + References No definition available. + Details
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