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Net Loss Per Share of Common Stock - Schedule of Antidilutive Securities Excluded from Computation of Diluted Weighted Average Shares Outstanding (Parenthetical) (Detail) (USD $)
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Mar. 31, 2015
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Aug. 01, 2014
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| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||
| Common stock held by Convertible Notes holders, exercise price | $ 7.50us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 | |
| Convertible Notes [Member] | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||
| Common stock held by Convertible Notes holders |
3,321,416us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_StatementClassOfStockAxis = cfrx_ConvertibleNotesMember |
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| Common stock held by Convertible Notes holders, exercise price |
$ 3.00us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_StatementClassOfStockAxis = cfrx_ConvertibleNotesMember |
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- Details
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- Definition
Exercise price per share or per unit of warrants or rights outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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