v2.4.0.6
Stock Based Compensation (Details Textual) (USD $)
6 Months Ended 12 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Nov. 15, 2012
Stock Based Compensation (Textual)            
Equity Incentive Plan provided for the issuance common stock, shares 1,550,000   800,000      
Number of shares are available for grant as Incentive Stock Options 50,000          
Exercise price for options award in percentage 100.00%          
Options vest from date of grant 1 to 3 years          
Compensation costs for options and shares granted $ 428,826 $ 934,753        
Reverse stock split     One for twenty      
Company expensed relating to stock options 426,730 409,011        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross 175,000 60,400        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period 140,400          
Cancellation of stock option 22,000 20,250        
Stock options exercised 0 0     0  
Weighted average fair value of options granted $ 2.04 $ 4.40        
Number of shares vested and scheduled to vest 55,969         169,368
Expenses related to restricted stock awards $ 698,690 $ 525,636 $ 594,498 $ 104,192