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Short-Term and Long-Term Debt (Term Note) (Details) (Stand-By Term Note, Rbs Citizens [Member], USD $)
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9 Months Ended | ||
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Sep. 30, 2012
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Dec. 31, 2011
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Oct. 08, 2010
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Stand-By Term Note | Rbs Citizens [Member]
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| Debt Instrument [Line Items] | |||
| Line of credit, maximum borrowing amount | $ 450,000 | ||
| Debt instrument, monthly principal payment | 887 | ||
| Debt instrument, maturity date | 5 years | ||
| Credit facility, amount outstanding | $ 43,481 | $ 51,467 |