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Stockholders' Deficit (Details Textual) (USD $) | 1 Months Ended | 3 Months Ended | 9 Months Ended |  |  |  |  |  |  |  |  |  | 0 Months Ended | 1 Months Ended | 3 Months Ended |  |  |  |  | 9 Months Ended
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Jan. 30, 2011 | Sep. 30, 2012 | Sep. 30, 2011 | Sep. 30, 2012 | Sep. 30, 2011 | Dec. 31, 2011 | Jun. 03, 2010 | Jan. 16, 2008 | Aug. 17, 2007 | Jun. 01, 2011 Minimum [Member] | Jun. 01, 2011 Maximum [Member] | Sep. 30, 2012 Warrants [Member] | Jun. 30, 2011 Warrants [Member] | Mar. 31, 2011 Warrants [Member] | Aug. 17, 2007 Restricted stock units (RSUs) [Member] | May 06, 2010 Common Stock [Member] | Apr. 20, 2010 Common Stock [Member] | Jun. 30, 2011 Common Stock [Member] | Mar. 31, 2011 Common Stock [Member] | Sep. 30, 2012 Common Stock [Member] | Sep. 30, 2012 Series D convertible, Preferred stock [Member] | Dec. 31, 2011 Series D convertible, Preferred stock [Member] | Apr. 20, 2010 Series D convertible, Preferred stock [Member] | May 06, 2010 Series E Convertible, Preferred Stock [Member] | Sep. 30, 2012 Series G Convertible Preferred Stock [Member]
Stockholders Deficit (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares authorized |  | 150,000,000 |  | 150,000,000 |  | 150,000,000 |  |  |  | 100,000,000 | 150,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued from warrant conversion |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 46,000 | 56,000 |  |  |  |  |  |
Common stock converted from preferred stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,300,000 | 600,000 |  |  |  |  |  |  |  |
Preferred stock, outstanding |  | 0 |  | 0 |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 206,400 | 206,400 | 600,000 | 13 |
Shares authorized for stock-based compensation |  |  |  |  |  |  | 3,000,000 | 2,500,000 | 2,500,000 |  |  |  |  |  | 500,000 |  |  |  |  |  |  |  |  |  |
Common stock exercise of outstanding warrant |  | 287,500 |  | 287,500 |  |  |  |  |  |  |  |  | 46,000 | 56,000 |  |  |  |  |  |  |  |  |  |  |
Common stock, shares value representing payment for principal |  | $ 7,440 |  | $ 7,440 |  | $ 7,309 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,347,826 |  |  |  |  |
Common stock shares issued employee stock incentive plan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8,900
Common stock, shares issued |  | 74,416,030 |  | 74,416,030 |  | 73,095,384 |  |  |  |  |  | 287,500 |  |  |  |  |  |  |  | 741,971 |  |  |  |  | 140,000
Stockholders Deficit (Additional Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Public offering shares issued | 5,520,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Public offering, per share value | $ 3.05 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stock incentive plans |  |  |  | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock incentive plan expiration date |  |  |  | Aug. 17, 2007 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise price of incentive option granted |  |  |  | exercise price of any incentive option granted to an eligible employee owning more than 10% of our outstanding common stock must not be less than 110% of fair market value on the date of the grant. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based compensation |  | $ 380,143 | $ 449,157 | $ 1,298,231 | $ 1,347,471 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average estimated fair value of stock options |  | $ 2.09 |  | $ 2.09 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares issued |  | 74,416,030 |  | 74,416,030 |  | 73,095,384 |  |  |  |  |  | 287,500 |  |  |  |  |  |  |  | 741,971 |  |  |  |  | 140,000

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