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Accrued Expenses (Schedule of Accrued Expenses) (Details) (USD $)
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Mar. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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|---|---|---|---|
| Accrued Expenses Details | |||
| Accrued compensation | $ 50,923 | $ 33,930 | |
| Other accrued expenses | 24,989 | 54,373 | |
| Accrued expenses | $ 97,380 | $ 75,912 | $ 128,303 |