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Fair Value Measurements (Details Textual) (USD $) | 12 Months Ended |  |  | 12 Months Ended | 1 Months Ended | 12 Months Ended |  | 1 Months Ended | 12 Months Ended |
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2013 First warrant [Member] | Dec. 31, 2012 First warrant [Member] | Dec. 31, 2013 Using Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Dec. 31, 2012 Using Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Dec. 31, 2013 Using Significant Unobservable Inputs (Level 3) [Member] warrant | Dec. 31, 2012 Using Significant Unobservable Inputs (Level 3) [Member] | Dec. 31, 2011 Using Significant Unobservable Inputs (Level 3) [Member] | Sep. 30, 2012 Using Significant Unobservable Inputs (Level 3) [Member] First warrant [Member] | Dec. 31, 2013 Using Significant Unobservable Inputs (Level 3) [Member] First warrant [Member] | Mar. 31, 2013 Using Significant Unobservable Inputs (Level 3) [Member] First warrant [Member] | Mar. 31, 2012 Using Significant Unobservable Inputs (Level 3) [Member] Second warrant [Member] | Dec. 31, 2013 Using Significant Unobservable Inputs (Level 3) [Member] Second warrant [Member] | Mar. 31, 2013 Using Significant Unobservable Inputs (Level 3) [Member] Second warrant [Member]
Marketable Securities and Fair Value Measurements (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares held in an affiliated entity |  |  |  |  |  | 8,220,775 | 8,220,775 |  |  |  |  |  |  |  |  |
Number of warrants received to purchase shares of common stock |  |  |  |  |  |  |  | 2 |  |  |  |  |  |  |  |
Common stock purchase warrant |  |  |  |  |  |  |  | 21,164,997 |  |  |  |  | 1,000,000 |  |  | 3,000,000
Term of the warrants in years |  |  |  |  |  |  |  |  |  |  |  | 5 years |  |  | 5 years |
Exercise price of a five-year warrant |  |  |  |  |  |  |  |  |  |  | $ 1.20 |  |  | $ 1.00 |  |
Long-term asset associated with warrants | $ 718,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain on sale of asset | 501,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Change in the fair value | 46,082,969 | (2,316,420) | (8,827,658) | 450,000 | (334,000) |  |  | 46,082,969 | (2,316,420) | (8,827,658) |  |  |  |  |  |
Common stock warrants | $ 19,540,583 | $ 2,859,899 |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition Exercise price of the warrants. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column A + Details
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