XML 13 R33.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Term Loan (Details) (USD $) | 3 Months Ended | 1 Months Ended | 3 Months Ended |
--- | --- | --- | --- | ---
Mar. 31, 2013 MidCap | Mar. 31, 2012 MidCap | Mar. 31, 2012 Term Loan | Mar. 31, 2013 Term Loan | Mar. 31, 2013 Term Loan Minimum
Term Loan |  |  |  |  |
Basis of interest rate |  |  |  | LIBOR |
Interest rate margin (as a percent) |  |  |  | 6.25% |
Fixed annual interest rate (as a percent) |  |  |  |  | 9.50%
Upfront fee due upon repayment of the Term Loan in full |  |  | $ 25,000 |  |
Additional Final Payment Fee due upon repayment of the Term Loan in full |  |  | 37,500 |  |
Rate of prepayment premium in year three (as a percent) |  |  |  | 1.00% |
Rate of prepayment premium in year four (as a percent) |  |  |  | 0.00% |
Original Payment Fee payable upon repayment of term loan in full |  |  |  | 500,000 |
Interest expense on the term loan | $ 300,000 | $ 400,000 |  |  |

X
- Definition Represents the additional fee due upon repayment of the Term Loan for the extension of the maturity period of debt. + References No definition available. + Details
Name: | cldx_DebtInstrumentAdditionalFeeDueOnRepaymentForExtensionOfMaturityPeriodOfDebt
Namespace Prefix: | cldx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the percentage of prepayment premium on the term loan to be paid in year four. + References No definition available. + Details
Name: | cldx_DebtInstrumentCovenantRateOfPrepaymentPremiumInYearFour
Namespace Prefix: | cldx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the percentage of prepayment premium of the Term Loan to be paid in year three. + References No definition available. + Details
Name: | cldx_DebtInstrumentCovenantRateOfPrepaymentPremiumInYearThree
Namespace Prefix: | cldx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the original payment fee to be paid upon repayment of the Term Loan in full. + References No definition available. + Details
Name: | cldx_DebtInstrumentPaymentFeePayableOnRepayment
Namespace Prefix: | cldx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the upfront fee due upon amendment to extend the maturity period of the Term loan. + References No definition available. + Details
Name: | cldx_DebtInstrumentUpFrontFeeDueUponRepaymentForExtensionOfMaturityPeriodOfDebt
Namespace Prefix: | cldx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentDescriptionOfVariableRateBasis
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Interest rate stated in the contractual debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregate amount of interest paid or due on all long-term debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 8 -Article 9 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher OTS -Name Federal Regulation (FR) -Number Title 12 -Section 563c.102 -Paragraph 8 -Chapter V -Subsection I -LegacyDoc This is a non-GAAP reference that was included in the 2009 taxonomy. It will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.8) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
Name: | us-gaap_InterestExpenseLongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration