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Long Term Debt - Long Term Debt RMB Loan (Details) (USD $)
 3 Months Ended
Mar. 31, 2013
Dec. 31, 2012
Debt Disclosure [Abstract]    
RMB Loan borrowing Beginning Balance   $ 1,500,000
RMB Warrant discount Beginning Balance   (573,000)
RMB Long-term Debt Beginning Balance   927,000
RMB Loan borrowing Borrowing 1,000,000  
RMB Warrant discount Borrowing     
RMB Long-term Debt Borrowing 1,000,000  
RMB Loan borrowing Amortization of discount to interest cost     
RMB Warrant discount Amortization of discount to interest cost 54,000  
RMB Long-term Debt Amortization of discount to interest cost 54,000  
RMB Loan borrowing Ending Balance 2,500,000  
RMB Warrant discount Ending Balance (519,000)  
RMB Long-term Debt Ending Balance $ 1,981,000