Quarterly report pursuant to sections 13 or 15(d)

4. Capital stock (Details Narrative)

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4. Capital stock (Details Narrative) (USD $)
 3 Months Ended 181 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Mar. 31, 2013
Common stock issued upon exercise of warrants, shares 14,344,600    
Common stock issued upon exercise of warrants, Amount $ 4,097,777    
Common stock issued for services, shares 50,000    
Common stock issued for services, Amount 49,000    
Common stock exercise price for services $ 0.98    
Commissions paid on warrants exercised by foreign (non-U.S.) investors 68,500    
Net cash provided by financing activities $ 4,029,277 $ 1,673,090 $ 38,948,296
Minimum [Member]
      
Common stock exercise price for warrant $ 0.25    
Maximum [Member]
      
Common stock exercise price for warrant $ 0.30