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Taxes (Details Textual) (USD $)
12 Months Ended 36 Months Ended
Dec. 31, 2010
Dec. 31, 2006
Mar. 31, 2013
Dec. 31, 2012
Vat And Withholding Taxes   $ 800,000    
Interest Penalty Percentage   20.00%    
Selling, General and Administrative Expense 185,000      
Management Estimated Reserve For Tax     $ 70,000 $ 70,000