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Business and Credit Concentrations (Details) (USD $)	12 Months Ended
Business and Credit Concentrations (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Concentration Risk [Line Items]
Number of suppliers	3
Trade payables	$ 5,242,044	5,681,928
Supplier Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration risk, percentage (in hundredths)	43.00%	41.00%
Trade payables	$ 1,142,312
Product Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration risk, percentage (in hundredths)	10.00%

Carrying value as of the balance sheet date of obligations incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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