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4. Lines of Credit (Detail) (USD $)
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3 Months Ended | |
|---|---|---|
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Mar. 31, 2013
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Dec. 31, 2011
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| Line of Credit Facility, Maximum Borrowing Capacity | $ 4,425,905 | $ 2,500,000 |
| Line of Credit Facility, Increase, Additional Borrowings | 4,000,000 | |
| Option Granted as Consideration for Line of Credit | $ 124,250,000 |
| X | ||||||||||
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- Definition
Consideration given by issuer of lines of credit to provide an incentive. No definition available.
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| X | ||||||||||
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- Definition
Increase for additional borrowings on the credit facility during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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