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10. Stockholders' Equity (Details-Warrant Activity) (Warrants [Member], USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Warrants [Member]
     
Outstanding warrants      
Warrants outstanding, beginning balance 4,500,000 4,500,000  
Warrants granted 3,600,000     
Warrants exercised (1,500,000)     
Warrants forfeited        
Warrants outstanding, ending balance 6,600,000 4,500,000 4,500,000
Weighted Average Exercise Price Per Share      
Warrants outstanding, beginning balance 0.79 0.79  
Warrants granted $ 0.40    
Warrants exercised $ 0.37    
Warrants forfeited       
Warrants outstanding, ending balance 0.67 0.79 0.79
Warrants exercisable $ 0.40    
Weighted Average Remaining Contractual Life      
Warrants outstanding, ending balance 4 years 2 months 5 days 4 years 4 months 6 days 5 years 4 months 6 days
Warrants exercisable 3 years 4 months 10 days