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v3.20.4

LOAN PAYABLE (Details) - USD ($) | Apr. 21, 2020 | Dec. 30, 2020
--- | --- | ---
Principal loan forgiven |  | $ 184,000
Accrued interest forgiven |  | $ 1,280
Paycheck Protection Program [Member] |  |
Proceeds from loans | $ 184,000 |
Loans interest rate | 1.00% |

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- Definition The amount of accrued interest forgiven. + References No definition available. + Details
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Namespace Prefix: | clrb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition The amount of loan principal forgiven. + References No definition available. + Details
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Namespace Prefix: | clrb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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=120391452&loc=d3e13212-122682 + Details
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Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition Cash received from principal payments made on loans related to operating activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3536-108585 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |