v2.4.0.8
3. Interest, advances and promissory notes payable (Details) - Summary of the Interest Payable Activity (USD $)
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Summary of the Interest Payable Activity [Abstract]      
$ 2,075,017 $ 1,569,321 $ 1,930,695
Interest incurred on promissory notes payable 505,571 505,571  
Repayment of interest payable through line of credit   (6,500)  
Repayment of interest payable through exercise of options   (860,244)  
Other 125 (201)  
$ 2,075,017 $ 1,569,321 $ 1,930,695