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Stock-Based Compensation (Details Textual) (USD $) |  | 3 Months Ended | 9 Months Ended | 12 Months Ended | 9 Months Ended |  | 12 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 30, 2014 | Sep. 30, 2014 General and Administrative Expenses and Research and Development Expense [Member] | Sep. 30, 2013 General and Administrative Expenses and Research and Development Expense [Member] | Sep. 30, 2014 General and Administrative Expenses and Research and Development Expense [Member] | Sep. 30, 2013 General and Administrative Expenses and Research and Development Expense [Member] | Sep. 30, 2014 Employees And Consultants [Member] | Sep. 30, 2013 Employees And Consultants [Member] | Sep. 30, 2014 2001 Stock Plan [Member] | Dec. 31, 2001 2001 Stock Plan [Member] Maximum [Member] | Sep. 30, 2014 2007 Stock Plan [Member] | Mar. 20, 2007 2007 Stock Plan [Member] | Dec. 31, 2007 2007 Stock Plan [Member] Maximum [Member] | Sep. 30, 2014 2010 Stock Plan [Member] | Dec. 31, 2010 2010 Stock Plan [Member] | Oct. 22, 2013 2010 Stock Plan [Member] Maximum [Member] | Oct. 22, 2013 2010 Stock Plan [Member] Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number |  |  |  |  |  |  |  | 682,449 |  | 428,657 | 2,500,000 |  | 4,675,000 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross |  |  |  |  |  | 2,187,500 | 117,500 | 682,449 | 250,000 | 428,657 |  | 250,000 | 4,675,000 | 3,000,000 |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Fair Value |  |  |  |  |  | $ 4,700,000 | $ 185,000 |  |  |  |  |  |  |  |  |
Allocated Share-based Compensation Expense |  | 610,000 | 338,000 | 1,800,000 | 1,200,000 |  |  |  |  |  |  |  |  |  |  |
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Total | $ 4,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common Stock, Capital Shares Reserved for Future Issuance |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6,000,000 | 3,000,000

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- Definition Fair value of stock (or other type of equity) granted during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP). + References No definition available. + Details
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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F + Details
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- Definition Aggregate number of common shares reserved for future issuance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Unrecognized cost of unvested share-based compensation awards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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