XML 62 R50.htm IDEA: XBRL DOCUMENT
v3.10.0.1

INCOME TAXES (Details Textual) | 12 Months Ended
--- | ---
Dec. 31, 2018 USD ($)
Income Taxes [Line Items] |
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent | 35.00%
Domestic Tax Authority [Member] |
Income Taxes [Line Items] |
Operating Loss Carryforwards | $ 126,489,000
Net Operating Loss Carryforwards Expiration Period | 2019 through 2037
Research And Development And Investment Tax Credits | $ 5,403,000
Research And Development And Investment Tax Credits Expiration Period | 2019 through 2038
State and Local Jurisdiction [Member] |
Income Taxes [Line Items] |
Operating Loss Carryforwards | $ 15,862,000
Net Operating Loss Carryforwards Expiration Period | 2028 through 2031
Research And Development And Investment Tax Credits | $ 805,000
Research And Development And Investment Tax Credits Expiration Period | 2024 through 2033

X
- References No definition available. + Details
Name: | clrb_IncomeTaxesLineItems
Namespace Prefix: | clrb_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The expiration period of each operating loss carryforwards included in total operating loss carryforwards, or the applicable range of such expiration period. + References No definition available. + Details
Name: | clrb_NetOperatingLossCarryforwardsExpirationPeriod
Namespace Prefix: | clrb_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of research and development and investment tax credits. + References No definition available. + Details
Name: | clrb_ResearchAndDevelopmentAndInvestmentTaxCredits
Namespace Prefix: | clrb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents research and development and investment tax credits expiration period. + References No definition available. + Details
Name: | clrb_ResearchAndDevelopmentAndInvestmentTaxCreditsExpirationPeriod
Namespace Prefix: | clrb_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I) -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319 + Details
Name: | us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32559-109319 + Details
Name: | us-gaap_OperatingLossCarryforwards
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=us-gaap_DomesticCountryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=us-gaap_StateAndLocalJurisdictionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |