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Accounts Payable | 12 Months Ended
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Dec. 31, 2013
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Accounts Payable | Note 7. Accounts Payable Accounts payable at December 31 are summarized below:
|  | 2013 |  |  | 2012 |
External services |  | $ | 863,030 |  |  | $ | 678,813 |
Supplies |  |  | 263,866 |  |  |  | 216,900 |
Other |  |  | 25,007 |  |  |  | 103,652 |
Total accounts payable |  | $ | 1,151,903 |  |  | $ | 999,365 |

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