Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Details)

v2.4.0.6
Stock-Based Compensation (Details) (USD $)
6 Months Ended 12 Months Ended
Jun. 30, 2012
Dec. 31, 2011
Jun. 30, 2011
Options outstanding - Number of Shares (in shares) 3,250,000 3,540,000  
Granted - Number of shares (in shares) 0 950,000  
Exercised - Number of Shares (in shares) (100,000) (115,015)  
Expired - Number of Shares (in shares) 0 (1,124,985)  
Options outstanding - Number of Shares (in shares) 3,150,000 3,250,000  
Options exercisable - Number of Shares (in shares) 2,843,750 2,587,500  
Options outstanding - Weighted Average Exercise Price (in dollars per share) $ 0.884 $ 0.794  
Granted - Weighted Average Exercise Price (in dollars per share) $ 0 $ 0.991  
Exercised - Weighted Average Exercise Price (in dollars per share) $ 0.333 $ 0.333  
Expired - Weighted Average Exercise Price (in dollars per share) $ 0 $ 0.747  
Options outstanding - Weighted Average Exercise Price (in dollars per share) $ 0.901 $ 0.884  
Options exercisable - Weighted Average Exercise Price (in dollars per share) $ 0.892 $ 0.856 $ 0.98
Options outstanding - Weighted Average Exercise PriceAverage Remaining Contractual Life (inYears) 2 years 2 months 27 days    
Options exercisable - Weighted Average Remaining Contractual Term 2 years