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15. Income taxes (Tables)
9 Months Ended
Sep. 30, 2015
Income Tax Disclosure [Abstract]  
Future Tax Asset
   September 30, 2015  December 31, 2014
           
Net operating loss carry forward  $19,868,367   $19,566,029 
Valuation allowance   (19,868,367)   (19,566,029)
Outstanding at September 30, 2015  $—     $—   
Reconciliation of Income Taxes
   September 30, 2015  December 31, 2014
           
Tax benefit at statutory rate  $105,818   $570,870 
Valuation allowance   (105,818)   (570,870)
Net future tax asset  $—     $—