XML 74 R49.htm IDEA: XBRL DOCUMENT
v2.4.1.9

STOCKHOLDERS' EQUITY (Details) (USD $) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2014 | Feb. 20, 2014
Class of Warrant or Right [Line Items] |  |  |
Number Of Shares Issuable Upon Exercise Of Outstanding Warrants (in shares) | 6,604,096 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights |  | 275,000 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
Exercise Price (in dollars per share) |  |  | $ 10.00 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Warrant One [Member] |  |  |
Class of Warrant or Right [Line Items] |  |  |
Number Of Shares Issuable Upon Exercise Of Outstanding Warrants (in shares) | 1,365 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_StatementEquityComponentsAxis = clrb_WarrantOneMember | [1] |
Exercise Price (in dollars per share) | $ 3.75 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_StatementEquityComponentsAxis = clrb_WarrantOneMember | [1] |
Warrants Expiration Date | Jul. 27, 2015 | [1] |
Warrant Two [Member] |  |  |
Class of Warrant or Right [Line Items] |  |  |
Number Of Shares Issuable Upon Exercise Of Outstanding Warrants (in shares) | 5,252 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_StatementEquityComponentsAxis = clrb_WarrantTwoMember |  |
Exercise Price (in dollars per share) | $ 321.30 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_StatementEquityComponentsAxis = clrb_WarrantTwoMember |  |
Warrants Expiration Date | Jul. 27, 2015 |  |
Warrant Three [Member] |  |  |
Class of Warrant or Right [Line Items] |  |  |
Number Of Shares Issuable Upon Exercise Of Outstanding Warrants (in shares) | 4,570 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_StatementEquityComponentsAxis = clrb_WarrantThreeMember |  |
Warrants Expiration Date | Dec. 31, 2015 |  |
Warrant Three [Member] | Minimum [Member] |  |  |
Class of Warrant or Right [Line Items] |  |  |
Exercise Price (in dollars per share) | $ 1,989 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_StatementEquityComponentsAxis = clrb_WarrantThreeMember |  |
Warrant Three [Member] | Maximum [Member] |  |  |
Class of Warrant or Right [Line Items] |  |  |
Exercise Price (in dollars per share) | $ 2,019.60 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_StatementEquityComponentsAxis = clrb_WarrantThreeMember |  |
August 2014 Public Offering [Member] |  |  |
Class of Warrant or Right [Line Items] |  |  |
Number Of Shares Issuable Upon Exercise Of Outstanding Warrants (in shares) | 5,040,011 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_SubsidiarySaleOfStockAxis = clrb_August2014PublicOfferingMember | [1] |
Exercise Price (in dollars per share) | $ 4.68 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_SubsidiarySaleOfStockAxis = clrb_August2014PublicOfferingMember | [1] |
Warrants Expiration Date | Aug. 20, 2019 | [1] |
February 2013 Public Offering [Member] |  |  |
Class of Warrant or Right [Line Items] |  |  |
Number Of Shares Issuable Upon Exercise Of Outstanding Warrants (in shares) | 550,000 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_SubsidiarySaleOfStockAxis = clrb_February2013PublicOfferingMember | [1] |
Exercise Price (in dollars per share) | $ 3.75 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_SubsidiarySaleOfStockAxis = clrb_February2013PublicOfferingMember | [1] |
Warrants Expiration Date | Feb. 20, 2018 | [1] |
February 2013 Public Offering - Placement Agents [Member] |  |  |
Class of Warrant or Right [Line Items] |  |  |
Number Of Shares Issuable Upon Exercise Of Outstanding Warrants (in shares) | 38,496 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_SubsidiarySaleOfStockAxis = clrb_February2013PublicOfferingPlacementAgentsMember |  |
Exercise Price (in dollars per share) | $ 12.50 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_SubsidiarySaleOfStockAxis = clrb_February2013PublicOfferingPlacementAgentsMember |  |
Warrants Expiration Date | Feb. 04, 2018 |  |
November 2012 Private Placement [Member] |  |  |
Class of Warrant or Right [Line Items] |  |  |
Number Of Shares Issuable Upon Exercise Of Outstanding Warrants (in shares) | 50,000 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_SubsidiarySaleOfStockAxis = clrb_NovemberPrivatePlacementMember |  |
Exercise Price (in dollars per share) | $ 25.00 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_SubsidiarySaleOfStockAxis = clrb_NovemberPrivatePlacementMember |  |
Warrants Expiration Date | Nov. 02, 2017 |  |
June 2012 Public Offering [Member] |  |  |
Class of Warrant or Right [Line Items] |  |  |
Number Of Shares Issuable Upon Exercise Of Outstanding Warrants (in shares) | 149,069 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_SubsidiarySaleOfStockAxis = clrb_JunePublicOfferingMember |  |
Exercise Price (in dollars per share) | $ 25.00 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_SubsidiarySaleOfStockAxis = clrb_JunePublicOfferingMember |  |
Warrants Expiration Date | Jun. 13, 2017 |  |
December 2011 Underwritten Offering [Member] |  |  |
Class of Warrant or Right [Line Items] |  |  |
Number Of Shares Issuable Upon Exercise Of Outstanding Warrants (in shares) | 462,411 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_SubsidiarySaleOfStockAxis = clrb_UnderwrittenOfferingMember |  |
Exercise Price (in dollars per share) | $ 12.00 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_SubsidiarySaleOfStockAxis = clrb_UnderwrittenOfferingMember |  |
Warrants Expiration Date | Dec. 06, 2016 |  |
April 2011 Private Placement [Member] |  |  |
Class of Warrant or Right [Line Items] |  |  |
Number Of Shares Issuable Upon Exercise Of Outstanding Warrants (in shares) | 302,922 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_SubsidiarySaleOfStockAxis = clrb_AprilPrivatePlacementMember |  |
Exercise Price (in dollars per share) | $ 15.00 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_SubsidiarySaleOfStockAxis = clrb_AprilPrivatePlacementMember |  |
Warrants Expiration Date | Mar. 31, 2016 |  |
[1] | These warrants have a certain type of cash settlement feature or their exercise prices or the number of shares for which the warrant may be exercised are subject to adjustment for “down-rounds” and the warrants have been accounted for as derivative instruments as described in Note 3, with the exception of 96,988 warrants issued in August 2014.

X
- Definition Expiry date of warrants held. + References No definition available. + Details
Name: | clrb_WarrantsExpirationDate
Namespace Prefix: | clrb_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)(4)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
Name: | us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

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

X
- 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph i -Subparagraph 2 -Article 4 + Details
Name: | us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=clrb_WarrantOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=clrb_WarrantThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=clrb_WarrantTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=clrb_AprilPrivatePlacementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=clrb_August2014PublicOfferingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=clrb_February2013PublicOfferingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=clrb_February2013PublicOfferingPlacementAgentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=clrb_JunePublicOfferingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=clrb_NovemberPrivatePlacementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=clrb_UnderwrittenOfferingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |