XML 52 R40.htm IDEA: XBRL DOCUMENT
v3.10.0.1

STOCKHOLDERS' EQUITY (Details) - $ / shares | 12 Months Ended |
--- | --- | ---
Dec. 31, 2018 | Jul. 31, 2018
Class of Warrant or Right [Line Items] |  |  |
Number of Shares Issuable Upon Exercise of Outstanding Warrants (in shares) |  | 5,318,747 |
Exercise Price (in dollars per share) |  |  | $ 4.00
July 2018 Series E Warrants [Member] |  |  |
Class of Warrant or Right [Line Items] |  |  |
Number of Shares Issuable Upon Exercise of Outstanding Warrants (in shares) |  | 4,140,000 |
Exercise Price (in dollars per share) |  | $ 4.00 |
Warrants Expiration Date |  | Jul. 31, 2023 |
October 2017 Series D Warrants [Member] |  |  |
Class of Warrant or Right [Line Items] |  |  |
Number of Shares Issuable Upon Exercise of Outstanding Warrants (in shares) |  | 310,856 |
Exercise Price (in dollars per share) |  | $ 17.80 |
Warrants Expiration Date |  | Oct. 14, 2024 |
November 2016 Public Offering Series C [Member] |  |  |
Class of Warrant or Right [Line Items] |  |  |
Number of Shares Issuable Upon Exercise of Outstanding Warrants (in shares) |  | 415,785 |
Exercise Price (in dollars per share) |  | $ 15.00 |
Warrants Expiration Date |  | Nov. 29, 2021 |
April 2016 Underwritten Registered Series A [Member] |  |  |
Class of Warrant or Right [Line Items] |  |  |
Number of Shares Issuable Upon Exercise of Outstanding Warrants (in shares) |  | 362,694 |
Exercise Price (in dollars per share) |  | $ 30.40 |
Warrants Expiration Date |  | Apr. 20, 2021 |
October 2015 Incremental Series A [Member] |  |  |
Class of Warrant or Right [Line Items] |  |  |
Number of Shares Issuable Upon Exercise of Outstanding Warrants (in shares) |  | 30,006 |
Exercise Price (in dollars per share) |  | $ 21.30 |
Warrants Expiration Date |  | Oct. 20, 2021 |
October 2015 Private Placement Series A [Member] |  |  |
Class of Warrant or Right [Line Items] |  |  |
Number of Shares Issuable Upon Exercise of Outstanding Warrants (in shares) |  | 8,636 |
Exercise Price (in dollars per share) |  | $ 21.30 |
Warrants Expiration Date |  | Apr. 01, 2021 |
October 2015 Offering - Placement Agent [Member] |  |  |
Class of Warrant or Right [Line Items] |  |  |
Number of Shares Issuable Upon Exercise of Outstanding Warrants (in shares) |  | 375 |
Exercise Price (in dollars per share) |  | $ 283.00 |
Warrants Expiration Date |  | Oct. 01, 2020 |
August 2014 Public Offering [Member] |  |  |
Class of Warrant or Right [Line Items] |  |  |
Number of Shares Issuable Upon Exercise of Outstanding Warrants (in shares) | [1] | 50,395 |
Exercise Price (in dollars per share) | [1] | $ 468.00 |
Warrants Expiration Date | [1] | Aug. 20, 2019 |
[1] | These warrants have a certain type of cash settlement feature and they have been accounted for as derivative instruments as described in Note 1, with the exception of 970 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://fasb.org/us-gaap/role/ref/legacyRef -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
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + 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://fasb.org/us-gaap/role/ref/legacyRef -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 + Details
Name: | us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=clrb_July2018SeriesEWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=clrb_October2017SeriesDWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=clrb_November2016PublicOfferingSeriesCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=clrb_April2016UnderwrittenRegisteredSeriesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=clrb_October2015IncrementalSeriesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=clrb_October2015PrivatePlacementSeriesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=clrb_October2015OfferingPlacementAgentMember
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: |