Stock-Based Compensation (Details Textual) (USD $)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Dec. 31, 2013
Dec. 31, 2012
Stock-Based Compensation (Textual)            
Stock-based compensation expense     $ 874,969 $ 836,108 $ 1,263,633 $ 1,129,960
Number of shares authorized under Option 7,500,000   7,500,000   7,500,000  
Percentage of common stock delivered pursuant to incentive stock options     100.00%   100.00%  
Number of stock reserved for issuance 3,246,935   3,246,935   3,400,210  
Stock Options [Member]
           
Stock-Based Compensation (Textual)            
Stock options outstanding, intrinsic value 1,100,260 1,487,773 1,100,260 1,487,773 9,100 1,807,362
Stock options exercisable, intrinsic value 509,047 823,785 509,047 823,785 9,100 1,179,516
Stock-based compensation expense 159,208 145,694 265,704 600,613 414,501 814,996
Non Employee Stock Option [Member]
           
Stock-Based Compensation (Textual)            
Stock options outstanding, intrinsic value 24,500 89,810 24,500 89,810 0 152,500
Stock options exercisable, intrinsic value 24,500 89,810 24,500 89,810 0 137,500
Stock-based compensation expense     129,411 67,568 129,411 115,178
Restricted stock recorded as issued on the Company's Consolidated Balance Sheet         1,125,000 925,000
Unvested Stock Options [Member]
           
Stock-Based Compensation (Textual)            
Total unrecognized compensation cost related to non-vested stock options 1,061,360 1,782,664 1,061,360 1,782,664 1,044,158 1,846,201
Weighted average expected recognition period of compensation cost not yet recognized     3 years 7 days 2 years 5 months 23 days 2 years 10 months 6 days 2 years 6 months 29 days
Restricted Stock [Member]
           
Stock-Based Compensation (Textual)            
Stock-based compensation expense 270,692 80,621 609,265 235,495 849,132 314,964
Restricted stock recorded as issued on the Company's Consolidated Balance Sheet 10,805,000   10,805,000   10,855,000 5,175,000
Unvested Restricted Stock Award [Member]
           
Stock-Based Compensation (Textual)            
Total unrecognized compensation cost related to non-vested stock options 5,534,038 2,884,673 5,534,038 2,884,673 4,930,101 3,169,203
Weighted average expected recognition period of compensation cost not yet recognized     5 years 10 months 13 days 9 years 2 months 9 days 8 years 4 months 2 days 9 years
Unvested Non-employee Stock Options [Member]
           
Stock-Based Compensation (Textual)            
Total unrecognized compensation cost related to non-vested stock options            419,206
Weighted average expected recognition period of compensation cost not yet recognized           1 year 6 months 26 days
Non-employee unvested restricted stock awards [Member]
           
Stock-Based Compensation (Textual)            
Stock-based compensation expense         54,721  
Total unrecognized compensation cost related to non-vested stock options         $ 402,724  
Weighted average expected recognition period of compensation cost not yet recognized         8 years 18 days