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Note 7 Stock Based Compensation (Details) (USD $)
 9 Months Ended 12 Months Ended
Sep. 30, 2012
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Dec. 31, 2008
Dec. 31, 2007
Dec. 31, 2006
Dec. 31, 2005
Rescinded           (750,000)   (200,000)  
Options and Warrants Exercisable 7,301,143              
Upper Range of Exercise Prices 1.75              
Lower Range of Exercise Prices 0.25              
Exercisable (Weighted Average Upper Range of Exercise Prices) 1.15              
Weighted Average Exercise Price Outstanding 1.15              
Number of Shares [Member]
                
Granted 1,085,000 2,085,000 1,860,000 939,000 3,495,001 5,768,971 1,425,000 680,000
Exercised (1,210,000)   (1,279,700) (1,488,384) (807,770)     (300,000)
Rescinded           (200,000)    
Cancelled/Forfeited (25,000) (162,500)     (750,000) (125,019) (260,000)  
Expired     (16,667) (1,304,451) (115,000) (574,981) (70,000)  
Options and Warrants Outstanding 8,648,500 8,798,500 6,876,000 6,312,367 8,166,202 6,343,971 1,475,000 380,000
Options and Warrants Exercisable 7,301,143              
Exercise Price [Member]
                
Granted 0.90 0.63 0.25 0.25 0.001 0.25 0.25 0.25
Exercised 0.25   0.25 0.001 0.25     0.25
Rescinded           0.50    
Cancelled/Forfeited   1.51     0.72 1.00 1.40  
Expired       0.25 0.50 1.00 1.40  
Upper Range of Exercise Prices   1.25 1.00 1.00 0.50      
Lower Range of Exercise Prices   0.25 0.25 0.001 0.25      
Granted (Upper Range of Exercise Prices) 1.69 1.30 1.51 0.45 1.75 0.72 1.00 2.10
Granted (Lower Range of Exercise Prices) 0.90 0.63 0.25 0.25 0.001 0.25 0.25 0.25
Cancelled (Upper Range of Exercise Prices)             2.10  
Cancelled (Lower Range of Exercise Prices             1.40  
Rescinded/Voided 1.25       0.72      
Expired (Upper Range of Exercise Prices)       1.00 2.00   2.00  
Expired (Lower Range of Exercise Prices)       0.25 0.50   1.40  
Outstanding (Upper Range of Exercise Prices) 1.75 1.75 1.75 1.75 1.75 2.00 2.00 2.10
Outstanding (Lower Range of Exercise Prices) 0.25 0.25 0.25 0.25 0.001 0.25 0.25 1.40
Exercisable (Upper Range of Exercise Prices) 1.75              
Exercisable (Lower Range of Exercise Prices) 0.25              
Weighted Exercise Price
                
Granted 1.21 1.09 1.20 0.30 1.16 0.48 0.70 0.99
Exercised 0.37   0.42 0.20 0.53     0.25
Cancelled/Forfeited 1.25 1.51     0.72 1.00 (0.48)  
Expired     1.00 0.59 0.07 1.00 (0.12)  
Options and Warrants Outstanding 1.13 1.02 1.01 0.71 0.79 0.48 0.83 0.68
Options and Warrants Exercisable 1.15              
Granted (Weighted Average) 1.21 1.09 1.20 0.30 1.16 0.48 0.70 0.99
Exercised (Weighted Average) 0.37   0.42 0.20 0.53     0.25
Cancelled/Forfeited/Voided (Weighted Average) 1.25 1.51     0.72 1.00 (0.48)  
Rescinded (Weighted Average)           0.50    
Expired (Weighted Average)     1.00 0.59 0.07 1.00 (0.12)  
Exercisable (Weighted Average Upper Range of Exercise Prices) 1.13              
Exercisable (Weighted Average Lower Range of Exercise Prices) 0.25              
Weighted Average Exercise Price Outstanding 1.13              
Weighted Average Exercise Price Exercisable 1.15 1.02 1.01 0.71 0.79 0.48 0.83 0.68
ExercisePriceUpperRangeMember
                
Granted 1.69 1.30 1.51 0.45 1.75 0.72 1.00 2.10
Exercised 1.25   1.00 1.00 0.50     0.25
Cancelled/Forfeited 1.25 1.51     0.72 1.00 2.10  
Expired     1.00 1.00 2.00 1.00 2.00 0
Options and Warrants Outstanding 1.75 1.75 1.75 1.75 1.75 2.00 2.00 2.10