Equity - Additional Information (Detail) (USD $)
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1 Months Ended |
12 Months Ended |
0 Months Ended |
Jul. 31, 2013
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Apr. 30, 2013
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Oct. 31, 2012
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Sep. 30, 2012
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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Nov. 06, 2014
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Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
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Public offering of Common Stock, shares |
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10,558,422cndo_StockIssuedDuringPeriodSharesIssuedForCashAtMarketCostShares
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Proceeds from issuance of Common stock |
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$ 4,117,000us-gaap_ProceedsFromIssuanceOfCommonStock
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$ 92,399,000us-gaap_ProceedsFromIssuanceOfCommonStock
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$ 28,855,000us-gaap_ProceedsFromIssuanceOfCommonStock
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Common Stock Offering Price |
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70,000,000cndo_CommonStockOfferingPrice
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Stock Issuance, Maximum Amount Of Proceeds Approved |
200,000,000cndo_StockIssuanceMaximumAmountOfProceedsApproved
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45,000,000cndo_StockIssuanceMaximumAmountOfProceedsApproved
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30,000,000cndo_StockIssuanceMaximumAmountOfProceedsApproved
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75,000,000cndo_StockIssuanceMaximumAmountOfProceedsApproved
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Professional Fees |
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32,000us-gaap_ProfessionalFees
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Share Price |
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$ 2.93us-gaap_SharePrice
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After Amendment [Member] | Preferred Stock [Member] |
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Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
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Capital Units, Authorized |
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15,000,000us-gaap_CapitalUnitsAuthorized / cndo_AmendmentAxis = cndo_AfterAmendmentMember / us-gaap_EquityInterestIssuedOrIssuableByTypeAxis = us-gaap_PreferredStockMember
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15,000,000us-gaap_CapitalUnitsAuthorized / cndo_AmendmentAxis = cndo_AfterAmendmentMember / us-gaap_EquityInterestIssuedOrIssuableByTypeAxis = us-gaap_PreferredStockMember
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Share Price |
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$ 0.001us-gaap_SharePrice / cndo_AmendmentAxis = cndo_AfterAmendmentMember / us-gaap_EquityInterestIssuedOrIssuableByTypeAxis = us-gaap_PreferredStockMember
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$ 0.001us-gaap_SharePrice / cndo_AmendmentAxis = cndo_AfterAmendmentMember / us-gaap_EquityInterestIssuedOrIssuableByTypeAxis = us-gaap_PreferredStockMember
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After Amendment [Member] | Common Stock [Member] |
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Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
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Capital Units, Authorized |
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100,000,000us-gaap_CapitalUnitsAuthorized / cndo_AmendmentAxis = cndo_AfterAmendmentMember / us-gaap_EquityInterestIssuedOrIssuableByTypeAxis = us-gaap_CommonStockMember
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100,000,000us-gaap_CapitalUnitsAuthorized / cndo_AmendmentAxis = cndo_AfterAmendmentMember / us-gaap_EquityInterestIssuedOrIssuableByTypeAxis = us-gaap_CommonStockMember
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Share Price |
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$ 0.001us-gaap_SharePrice / cndo_AmendmentAxis = cndo_AfterAmendmentMember / us-gaap_EquityInterestIssuedOrIssuableByTypeAxis = us-gaap_CommonStockMember
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$ 0.001us-gaap_SharePrice / cndo_AmendmentAxis = cndo_AfterAmendmentMember / us-gaap_EquityInterestIssuedOrIssuableByTypeAxis = us-gaap_CommonStockMember
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Lindsay A. Rosenwald [Member] |
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Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
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Proceeds from issuance of Common stock |
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$ 3,500,000us-gaap_ProceedsFromIssuanceOfCommonStock / us-gaap_StatementClassOfStockAxis = cndo_LindsayARosenwaldMember
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Share Price |
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$ 1.61us-gaap_SharePrice / us-gaap_StatementClassOfStockAxis = cndo_LindsayARosenwaldMember
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