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Accounts Payable | 12 Months Ended
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Dec. 31, 2011
Accounts Payable and Accrued Expenses and Other Current Liabilities [Abstract] |
Accounts Payable | Note 8. Accounts Payable Accounts payable at December 31 are summarized below:
|  | 2011 |  |  | 2010 |
External services |  | $ | 716,904 |  |  | $ | 516,970 |
Supplies |  |  | 206,863 |  |  |  | 301,355 |
Other |  |  | 142,728 |  |  |  | 280,637 |
Total accounts payable |  | $ | 1,066,495 |  |  | $ | 1,098,962 |

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