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Summary of Significant Accounting Policies (Details Textual) (USD $) | 1 Months Ended | 3 Months Ended | 6 Months Ended |  | 6 Months Ended | 1 Months Ended | 6 Months Ended | 1 Months Ended | 6 Months Ended
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Nov. 30, 2009 | Nov. 30, 2008 | Jun. 30, 2012 | Jun. 30, 2011 | Jun. 30, 2012 | Jun. 30, 2011 | Dec. 31, 2011 | Jun. 30, 2012 Maximum [Member] | Dec. 31, 2011 Series A [Member] | Jun. 30, 2012 Series A [Member] | Dec. 31, 2011 Series B [Member] | Jun. 30, 2012 Series B [Member] | Jun. 30, 2012 Reverse stock split [Member]
Summary of significant accounting policies (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding shares of common stock |  |  | 25,377,631 |  | 25,377,631 |  | 22,427,955 |  |  |  |  |  | 139,000,000
Reduced common stock shares outstanding |  |  |  |  |  |  |  |  |  |  |  |  | 13,900,000
Previous number of common shares authorized |  |  | 250,000,000 |  | 250,000,000 |  |  |  |  |  |  |  |
Shares authorized |  |  | 75,000,000 |  | 75,000,000 |  | 75,000,000 |  |  |  |  |  | 75,000,000
Investments with maturities |  |  |  |  |  |  |  | 90 days or less from the date of purchase |  |  |  |  |
Impairment Charges |  |  | $ 0 | $ 0 | $ 0 | $ 0 |  |  |  |  |  |  |
Term of Warrant |  | 5 years |  |  |  |  |  |  | 5 years |  | 90 days |  |
Per share of common stock | $ 15.00 | $ 23.00 |  |  |  |  |  |  | $ 1.40 |  | $ 1.25 |  |
Repurchase of common stock | 400,000 | 1,034,483 |  |  |  |  |  |  | 8,000,000 |  | 8,000,000 |  |
Impairment of goodwill |  |  |  |  | 0 |  |  |  |  |  |  |  |
Value of patent |  |  |  |  | 0 |  |  |  |  |  |  |  |
Accumulated other comprehensive income |  |  | $ 70,484 |  | $ 70,484 |  | $ 40,713 |  |  |  |  |  |
Number of warrants excercised |  |  |  |  |  |  |  |  |  |  |  | 2,700,000 |
Number of shares issued on exercise of warrants |  |  |  |  | 2,700,000 |  |  |  |  |  |  |  |
Number of warrants issued on exercise of warrants |  |  |  |  |  |  |  |  |  | 2,700,000 |  |  |
Number of warrants expired by terms |  |  |  |  |  |  |  |  |  |  |  | 5,300,000 |

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