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Summary of Significant Accounting Policies (Details 1)
 3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Stock options with an exercise price of $3.30 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   
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 245,000    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 984,670 984,670 984,670 984,670
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 211,900 211,900 211,900 211,900
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    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 3,656,570 2,099,070 3,656,570 2,974,070