Convertible Note Receivable, Related Party (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
May 22, 2023	Jul. 31, 2023	Mar. 21, 2023
Convertible Note Receivable, Related Party [Abstract]
Loaned amount (in Dollars)			$ 2,000
Bears interest rate			7.50%
Maturity date	Nov. 30, 2023
Retroactive interest rate		11.00%
Bear interest rate		14.00%
Promissory note interest rate		18.00%
Change in fair value (in Dollars)		$ 79
Interest income, promissory note (in Dollars)		$ 54

No definition available.

Name:	rfl_ConvertibleNoteReceivableRelatedPartyAbstract
Namespace Prefix:	rfl_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of promissory note interest rate.

+ References

No definition available.

+ Details

Name:	rfl_PromissoryNoteInterestRate1
Namespace Prefix:	rfl_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Average rate paid on interest-bearing liabilities.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Regulation S-K (SK)
-Number 229
-Section 1402
-Paragraph (b)
-Subparagraph (4)
-Publisher SEC

+ Details

Name:	srt_InterestBearingLiabilitiesAverageRatePaid
Namespace Prefix:	srt_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Reflects the effective interest rate as of the balance sheet date on interest-bearing trade payables.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482925/835-30-45-2

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 25
-Paragraph 12
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482981/835-30-25-12

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482925/835-30-45-3

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 25
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482981/835-30-25-13

+ Details

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

- Definition

Amount of expense (income) related to adjustment to fair value of warrant liability.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-28

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 25
-Paragraph 13
-SubTopic 10
-Topic 480
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481766/480-10-25-13

+ Details

Name:	us-gaap_FairValueAdjustmentOfWarrants
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Unpaid principal balance of impaired financing receivables for which there is a related allowance for credit losses.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (a)(4)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-15

+ Details

Name:	us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of interest income from interest-earning asset.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Regulation S-K (SK)
-Number 229
-Section 1402
-Paragraph (a)
-Publisher SEC

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Regulation S-K (SK)
-Number 229
-Section 1402
-Paragraph (b)
-Subparagraph (1)
-Publisher SEC

+ Details

Name:	us-gaap_InterestIncomeInterestEarningAsset
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Date the receivable or note with imputed interest is due, in YYYY-MM-DD format.

+ References

+ Details

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

- Definition

Identify the stated interest rate per the agreement, for example, leasing and debt arrangements between related parties.

+ References

No definition available.

+ Details

Name:	us-gaap_RelatedPartyTransactionRate
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration