Annual report pursuant to section 13 and 15(d)

13. Warrants (Details)

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13. Warrants (Details) (Warrant, USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Warrant
    
Warrant    
Number of Warrants outstanding beginning balance 58,522 4,712
Warrants Granted 0 53,810
Warrants Exercised 0 0
Warrants Expired or Cancelled (58,522) 0
Number of Warrants outstanding ending balance 0 58,522
Number of Warrants exercisable ending balance 0 58,522
Exercise Price Per Share    
Exercise Price per Share beginning balance minimum $ 33.00 $ 40.00
Exercise Price per Share beginning balance maximum $ 40.00  
Exercise Price per Share, Warrants Granted $ 0 $ 33.00
Exercise Price per Share, Warrants Exercised $ 0  
Exercise Price per Share, Warrants Expired or Cancelled, minimum $ 33.00  
Exercise Price per Share, Warrants Expired or Cancelled,maximum $ 40.00  
Exercise Price per Share ending balance minimum $ 0.00 $ 33.00
Exercise Price per Share ending balance maximum $ 0.00 $ 40.00
Weighted Average Exercise Price Per Share    
WeightedAverage Exercise Price per Share beginning balance $ 34.00 $ 40.00
Weighted Average Exercise Price per Share Warrants Granted $ 0 $ 33.00
Weighted Average Exercise Price per Share Warrants Exercised $ 0  
Weighted Average Exercise Price per Share Warrants Expired $ 34.00  
Weighted Average Exercise Price per Share ending balance $ 0.00 $ 34.00
Weighted Average Exercise Price per Share Exercisable ending balance   $ 34.00