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3. Interest, Advances and Promissory Notes Payable (Detail) - Summary Interest Payable Activity (USD $)
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12 Months Ended | ||
|---|---|---|---|
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Dec. 31, 2012
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Mar. 31, 2013
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Dec. 31, 2011
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| $ 1,569,321 | $ 1,695,839 | $ 1,930,695 | |
| Interest incurred on promissory notes payable | 126,802 | 126,885 | |
| Repayment of interest payable through line of credit | (6,500) | ||
| Repayment of interest payable through exercise of options | (860,244) | ||
| Other | $ (201) |
| X | ||||||||||
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- Definition
The cost of borrowed funds accounted for as interest that was charged against earnings during the period. No definition available.
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| X | ||||||||||
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- Definition
Carrying value as of the balance sheet date of other accrued interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid not described else where in the taxonomy. No definition available.
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| X | ||||||||||
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- Definition
The cash inflow associated with the amount received from holders exercising their stock options to pay off an interest payable. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. No definition available.
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| X | ||||||||||
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- Definition
The cash outflow to pay off an interest payable from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with either short term or long term maturity. No definition available.
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| X | ||||||||||
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- Definition
Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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