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Debt interest only period, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

No definition available.

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Data Type:	xbrli:durationItemType
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Revenue threshold for loans to be funded.

No definition available.

Name:	fenc_DebtInstrumentLoanFundedRevenueThreshold
Namespace Prefix:	fenc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Trailing period for revenue threshold to be achieved for loan to be funded, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

No definition available.

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Data Type:	xbrli:durationItemType
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Period Type:	duration

Represents number of tranches of loans.

No definition available.

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Data Type:	xbrli:integerItemType
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Period Type:	instant

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
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Face (par) amount of debt instrument at time of issuance.

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Period Type:	instant

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.

No definition available.

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The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

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Balance Type:	debit
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