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Summary of Significant Accounting Policies (Details 1)
 3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Stock options with an exercise price of $3.50 per share [Member]
        
Schedule of anti-dilutive securities excluded from computation of earnings per share        
Out of the money options and warrants excluded   875,000 245,000 875,000
Stock options with an exercise price of $3.51 per share [Member]
        
Schedule of anti-dilutive securities excluded from computation of earnings per share        
Out of the money options and warrants excluded   984,670 984,670 984,670
Stock options with an exercise price of $3.53 per share [Member]
        
Schedule of anti-dilutive securities excluded from computation of earnings per share        
Out of the money options and warrants excluded   211,900 204,500 211,900
Stock options with an exercise price of $3.90 per share [Member]
        
Schedule of anti-dilutive securities excluded from computation of earnings per share        
Out of the money options and warrants excluded 20,000   20,000  
Stock options with an exercise price of $4.00 per share [Member]
        
Schedule of anti-dilutive securities excluded from computation of earnings per share        
Out of the money options and warrants excluded 52,500 52,500 52,500 52,500
Stock options with an exercise price of $5.00 per share [Member]
        
Schedule of anti-dilutive securities excluded from computation of earnings per share        
Out of the money options and warrants excluded 300,000 650,000 300,000 650,000
Stock options with an exercise price of $7.00 per share [Member]
        
Schedule of anti-dilutive securities excluded from computation of earnings per share        
Out of the money options and warrants excluded 100,000 100,000 100,000 100,000
Warrants with an exercise price of $3.60 per share [Member]
        
Schedule of anti-dilutive securities excluded from computation of earnings per share        
Out of the money options and warrants excluded     1,562,500  
Warrants with an exercise price of $5.25 per share [Member]
        
Schedule of anti-dilutive securities excluded from computation of earnings per share        
Out of the money options and warrants excluded 100,000 100,000 100,000 100,000
Options and warrants excluded from diluted EPS [Member]
        
Schedule of anti-dilutive securities excluded from computation of earnings per share        
Out of the money options and warrants excluded 572,500 2,974,070 3,569,170 2,974,070