Prepaid Expenses and Other Current Assets (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Prepaid Expense, Current [Abstract]
Advance payments to suppliers	$ 223,267	$ 290,373
Prepaid income taxes	303,983	76,557
Certificates of deposit – restricted	85,357	83,598
Prepaid insurance and other	220,851	172,760
Total	$ 833,458	$ 623,288

The total of the amounts paid in advance for capitalized costs that will be expensed with the passage of time or the occurrence of a triggering event, and will be charged against earnings within one year or the normal operating cycle, if longer, and the aggregate carrying amount of current assets, as of the balance sheet date, not separately presented elsewhere in the balance sheet. Current assets are expected to be realized or consumed within one year (or the normal operating cycle, if longer).

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Carrying amount as of the balance sheet date of payments made in advance for income and other taxes, which will be charged against earnings within one year or the normal operating cycle, if longer.

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