Debt monthly payment beginning year.

No definition available.

Name:	ffntf_DebtMonthlyPaymentBeginningYear
Namespace Prefix:	ffntf_
Data Type:	xbrli:gYearItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of paid in kind interest rate.

+ References

No definition available.

+ Details

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Namespace Prefix:	ffntf_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The price per share of the conversion feature embedded in the debt instrument.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
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+ Details

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Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
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-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- 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_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(2))
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-Publisher FASB
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Latest date the outstanding debt instruments are required to be repaid, in YYYY-MM-DD format.

+ 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
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-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Details

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Namespace Prefix:
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- Details

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- Details

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- Details

Name:	us-gaap_BusinessAcquisitionAxis=ffntf_ArkansasEntitiesMember
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Data Type:	na
Balance Type:
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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=ffntf_EquipmentLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

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Notes Payable and Convertible Notes - Summary of Convertible Debt (Parenthetical) (Details) - $ / shares		1 Months Ended	12 Months Ended
	May 14, 2020	Nov. 30, 2021	Dec. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Debt instrument, Maturity date range, End		Dec. 18, 2022
Convertible Note
Debt Instrument [Line Items]
Debt instrument, convertible, conversion price	$ 0.25
Interest rate, stated percentage	5.00%
Debt instrument, maturity date	Feb. 28, 2022
Healthy Pharms Inc. \| Convertible Note
Debt Instrument [Line Items]
Debt instrument, convertible, conversion price			$ 0.50	$ 0.50
Percentage of paid in kind interest rate			10.00%	10.00%
Debt instrument, Maturity date range, End			Dec. 18, 2022	Dec. 18, 2022
Healthy Pharms Inc. \| Unsecured Debt
Debt Instrument [Line Items]
Interest rate, stated percentage			12.00%	12.00%
Debt instrument, maturity date			Nov. 18, 2021	Nov. 18, 2021
Arkansas Entities \| Unsecured Debt \| 14% Unsecured Promissory Note
Debt Instrument [Line Items]
Interest rate, stated percentage			14.00%	14.00%
Equipment Loans \| Secured Debt
Debt Instrument [Line Items]
Interest rate, stated percentage			15.00%	15.00%
Debt monthly payment beginning year			2021	2021