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Derivatives-Summary RMB Warrants (Details) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Warrant Liability
    
Beginning Balance $ 1,138,000   
Initial RMB warrant liability balance   650,000
Loss (gain) on warrant liability (998,000) 488,000
Ending Balance 140,000 1,138,000
Life in Months
    
Beginning Balance     
Initial RMB warrant liability balance   36
Ending Balance 20 32
Stock Price Per Share
    
Beginning Balance     
Initial RMB warrant liability balance   1.19
Ending Balance 0.85 1.68
Volatility %
    
Beginning Balance     
Initial RMB warrant liability balance   62
Ending Balance 55 62
Risk Free Interest Rate
    
Beginning Balance     
Initial RMB warrant liability balance   0.39
Ending Balance $ 0.38 $ 0.35