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Stockholders' Deficit (Details Textual) (USD $) | 1 Months Ended | 3 Months Ended | 6 Months Ended |  |  |  |  |  |  |  |  | 0 Months Ended | 1 Months Ended | 3 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jan. 30, 2011 | Jun. 30, 2012 | Jun. 30, 2011 | Jun. 30, 2012 | Jun. 30, 2011 | Dec. 31, 2011 | Jun. 03, 2010 | Jan. 16, 2008 | Aug. 17, 2007 | Jun. 01, 2011 Minimum [Member] | Jun. 01, 2011 Maximum [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] | Jun. 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]
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 |  |  |  |
Outstanding warrants |  |  |  |  |  |  |  |  |  |  |  | 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 |  |  |  |  |  |  |  |
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 |  | $ 529,669 | $ 449,475 | $ 918,088 | $ 898,314 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average estimated fair value of stock options |  | $ 1.48 |  | $ 1.48 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition Aggregate amount of each class of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)) -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph i -Article 4 + Details
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