Annual report pursuant to Section 13 and 15(d)

Selected Quarterly Financial Data (Unaudited) (Detail)

v2.4.1.9
Selected Quarterly Financial Data (Unaudited) (Detail) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended 12 Months Ended
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Quarterly Financial Information [Line Items]                      
Operating expenses $ (4,961)us-gaap_OperatingIncomeLoss $ (4,346)us-gaap_OperatingIncomeLoss $ (4,763)us-gaap_OperatingIncomeLoss $ (6,582)us-gaap_OperatingIncomeLoss $ (9,524)us-gaap_OperatingIncomeLoss $ (7,504)us-gaap_OperatingIncomeLoss $ (10,294)us-gaap_OperatingIncomeLoss $ (8,458)us-gaap_OperatingIncomeLoss $ (20,652)us-gaap_OperatingIncomeLoss $ (35,780)us-gaap_OperatingIncomeLoss $ (27,176)us-gaap_OperatingIncomeLoss
Other income/(expense) 1,248cndo_NonoperatingIncomeExpenseIncludingInterestIncomeExpenseNet (246)cndo_NonoperatingIncomeExpenseIncludingInterestIncomeExpenseNet 52cndo_NonoperatingIncomeExpenseIncludingInterestIncomeExpenseNet (788)cndo_NonoperatingIncomeExpenseIncludingInterestIncomeExpenseNet (274)cndo_NonoperatingIncomeExpenseIncludingInterestIncomeExpenseNet (328)cndo_NonoperatingIncomeExpenseIncludingInterestIncomeExpenseNet (376)cndo_NonoperatingIncomeExpenseIncludingInterestIncomeExpenseNet (400)cndo_NonoperatingIncomeExpenseIncludingInterestIncomeExpenseNet      
Net loss $ (3,713)us-gaap_NetIncomeLoss $ (4,592)us-gaap_NetIncomeLoss $ (4,711)us-gaap_NetIncomeLoss $ (7,370)us-gaap_NetIncomeLoss $ (9,798)us-gaap_NetIncomeLoss $ (7,832)us-gaap_NetIncomeLoss $ (10,670)us-gaap_NetIncomeLoss $ (8,858)us-gaap_NetIncomeLoss $ (20,386)us-gaap_NetIncomeLoss $ (37,158)us-gaap_NetIncomeLoss $ (27,610)us-gaap_NetIncomeLoss
Basic and diluted net loss per common share $ (0.10)us-gaap_EarningsPerShareBasicAndDiluted $ (0.13)us-gaap_EarningsPerShareBasicAndDiluted $ (0.13)us-gaap_EarningsPerShareBasicAndDiluted $ (0.21)us-gaap_EarningsPerShareBasicAndDiluted $ (0.27)us-gaap_EarningsPerShareBasicAndDiluted $ (0.24)us-gaap_EarningsPerShareBasicAndDiluted $ (0.38)us-gaap_EarningsPerShareBasicAndDiluted $ (0.35)us-gaap_EarningsPerShareBasicAndDiluted $ (0.56)us-gaap_EarningsPerShareBasicAndDiluted $ (1.22)us-gaap_EarningsPerShareBasicAndDiluted $ (1.27)us-gaap_EarningsPerShareBasicAndDiluted