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Employment and Consulting Agreements (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Jul. 13, 2020
Employment and Consulting Agreements Details [Abstract] |  |  |
Common stock shares (in Shares) |  |  | 500,000
Consulting expense | $ 144,000 | $ 324,000 |

X
- Definition The amount of consulting expense. + References No definition available. + Details
Name: | ctxr_ConsultingExpense
Namespace Prefix: | ctxr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

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- Definition Number of previously issued common shares repurchased by the issuing entity and held in treasury. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 + Details
Name: | us-gaap_TreasuryStockCommonShares
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant