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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

X

- References

No definition available.

+ Details

Name:	ctxr_EmploymentandConsultingAgreementsDetailsLineItems
Namespace Prefix:	ctxr_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- 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