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CONSOLIDATED BALANCE SHEETS (Parenthenticals) (USD $)
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Sep. 30, 2012
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Dec. 31, 2011
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|---|---|---|
| Statement Of Financial Position [Abstract] | ||
| Allowance for doubtful accounts receivable | $ 184,495 | $ 727,754 |
| Accumulated Depreciation of leasehold improvements and equipment | $ 14,493,998 | $ 13,610,392 |