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Current Portion Long Term Debt (Tables)
12 Months Ended
Dec. 31, 2018
Schedule of Current Portions of Notes Payable [Table Text Block]
 
      12/31/2018     12/31/2017  
  Debenture issued by 5 private placement holders underwritten by Guoyuan Securities Co., Ltd.        
             • Interest rate at 10% per annum due 8/28/2016 $  -   $  9,517,882  
               
  Debenture issued by 2 private placement holders underwritten by Daiwa SSC Securities Co. Ltd.        
             • Interest rate at 9.5% per annum due 11/8/2015   -     15,368,774  
               
  Loans from Deutsche Investitions-und Entwicklungsgesellschaft mbH (“DEG”)        
             • Interest rate at 5.510% per annum due 3/15/2015   -     1,875,000  
             • Interest rate at 5.510% per annum due 9/15/2015   -     1,875,000  
             • Interest rate at 5.510% per annum due 3/15/2016   -     1,875,000  
               
    $  -   $  30,511,656