XML 51 R39.htm IDEA: XBRL DOCUMENT v3.23.1

Fair Value Measurements - Assets/Liabilities Measured at Fair Value (Details) - USD ($) shares in Thousands, $ in Thousands	Oct. 30, 2020	Dec. 31, 2022	Dec. 31, 2021
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Cash and cash equivalents		$ 23,774	$ 21,100
Quoted Price in Active Markets for Identical Instruments Level 1
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Cash and cash equivalents		307	82
Significant Other Observable Inputs Level 2
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Cash and cash equivalents		23,467	21,018
Significant Unobservable Inputs Level 3
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Cash and cash equivalents		0	0
Processa Pharmaceuticals, Inc
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Processa common shares		56	240
Processa Pharmaceuticals, Inc | Quoted Price in Active Markets for Identical Instruments Level 1
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Processa common shares		56
Processa Pharmaceuticals, Inc | Significant Other Observable Inputs Level 2
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Processa common shares			240
Processa Pharmaceuticals, Inc | Significant Unobservable Inputs Level 3
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Processa common shares		$ 0	$ 0
License agreement | Processa Pharmaceuticals, Inc | Restricted shares
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Shares to be issued under agreement	41
License agreement | Processa Pharmaceuticals, Inc | Restricted shares | 6 month interval
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Expiration of share restriction	50.00%
Share Restriction Term	6 months
License agreement | Processa Pharmaceuticals, Inc | Restricted shares | 9 month interval
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Expiration of share restriction	25.00%
Share Restriction Term	9 months
License agreement | Processa Pharmaceuticals, Inc | Restricted shares | 12 month interval
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Expiration of share restriction	25.00%
Share Restriction Term	12 months

X

- Definition

Represents the number of shares entitled to receive under license agreement.

+ References

No definition available.

+ Details

Name:	fenc_CollaborativeArrangementSharesToBeIssued
Namespace Prefix:	fenc_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents the percentage of expiration of share restriction.

+ References

No definition available.

+ Details

Name:	fenc_ExpirationOfShareRestrictionPercentage
Namespace Prefix:	fenc_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Term in which restricted shares becomes unrestricted, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	fenc_ShareRestrictionTerm
Namespace Prefix:	fenc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

+ References

No definition available.

+ Details

Name:	us-gaap_CashAndCashEquivalentsFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Value of all classes of common stock held by shareholders. May be all or portion of the number of common shares authorized. These shares exclude common shares repurchased by the entity and held as treasury shares.

+ 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(29))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_CommonStockValueOutstanding
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CounterpartyNameAxis=fenc_ProcessaPharmaceuticalsIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_TypeOfArrangementAxis=fenc_LicenseAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_RestrictedStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	fenc_ShareRestrictionExpirationTrancheAxis=fenc_ShareRestrictionExpirationTrancheOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	fenc_ShareRestrictionExpirationTrancheAxis=fenc_ShareRestrictionExpirationTrancheTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	fenc_ShareRestrictionExpirationTrancheAxis=fenc_ShareRestrictionExpirationTrancheThreeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: