v2.4.0.8
10. Income taxes: (Tables)
12 Months Ended
Dec. 31, 2013
Income Tax Disclosure [Abstract]  
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
 
 
2013
   
2012
 
Computed expected benefit of income taxes
  $ (1,019,058 )   $ (2,831,744 )
Stock-based compensation
    83,270       1,903,205  
Non-deductible interest expense
    62,556       57,544  
Permanent differences
    718,312       -  
Increase in valuation allowance
    154,920       870,995  
Income tax provision
  $ -     $ -  
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
 
 
2013
   
2012
 
Net operating loss carried forward
  $ 29,141,241     $ 28,685,595  
Tax rate
    34 %     34 %
Deferred income tax assets
    9,908,022       9,753,102  
Valuation allowance
    (9,908,022 )     (9,753,102 )
Net deferred income tax asset
  $ -     $ -  
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]
Fiscal Year
 
Amount
Expiry Date
1999
$
88,022
2019
2000
 
4,425,866
2020
2001
 
3,681,189
2021
2002
 
2,503,951
2022
2003
 
2,775,900
2023
2004
 
1,250,783
2024
2005
 
1,304,283
2025
2006
 
1,532,322
2026
2007
 
1,479,818
2027
2008
 
1,599,919
2028
2009
 
1,723,146
2029
2010
 
822,678
2030
2011
 
1,746,615
2031
2012
 
1,638,421
2032
2013
 
2,568,328
2033
Total
$
29,141,241