Represents the percentage of outstanding principle used to calculate an additional fee on a debt instrument.

No definition available.

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- Definition

Represents the value of an additional payment on a debt instrument.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Represents the percent of the adjusted borrowing base required by the debt instrument covenant.

+ References

No definition available.

+ Details

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- Definition

The total amount of capital expenditures that cannot be exceeded under the covenant.

+ References

No definition available.

+ Details

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Balance Type:	debit
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- Definition

The required minimum excess availability amount.

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

Represents covenant for fixed charge ratio.

+ References

No definition available.

+ Details

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

- Definition

Represents covenant for EBITDA requirement.

+ References

No definition available.

+ Details

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

- Definition

Amount of minimum liquidity required under covenant of the debt instrument.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Percentage of forecasted minimum liquidity for covenant under the debt instrument.

+ References

No definition available.

+ Details

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

- Definition

Represent the required EBITDA by a covenant.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The floor rate for the adjustment of interest rates.

+ References

No definition available.

+ Details

Name:	rfil_FloorRateAdjustedInterestRate
Namespace Prefix:	rfil_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

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

+ References

No definition available.

+ Details

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

- Definition

Face (par) amount of debt instrument at time of issuance.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount, before accumulated amortization, of debt issuance costs related to line of credit arrangements. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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-Section S45
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Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Balance Type:	credit
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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Balance Type:	credit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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- Definition

The carrying value as of the balance sheet date of the current portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

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- Definition

Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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Name:	us-gaap_LineOfCreditFacilityAxis=rfil_EBCRevolvingLoanFacilityMember
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Note 12 - Term Loan and Line of Credit (Details Textual) - USD ($)			1 Months Ended	4 Months Ended
	Mar. 15, 2024	Jan. 26, 2024	Feb. 28, 2022	Mar. 15, 2024	Jul. 31, 2024	Apr. 30, 2024	Mar. 01, 2024	Feb. 29, 2024	Oct. 31, 2023	Sep. 22, 2023	Sep. 20, 2022
Line of Credit, Current						$ 10,460,000			$ 1,000,000
Revolving Credit Facility [Member]
Debt Instrument, Basis Spread on Variable Rate			2.00%
Bank of America, N.A. [Member]
Line of Credit Facility, Maximum Borrowing Capacity		$ 500,000	$ 3,000,000
Debt Instrument, Face Amount			$ 17,000,000
Debt Instrument, Covenant, Maximum EBITDA Ratio			3
Debt Instrument, Covenant, Fixed Charge Coverage Ratio			1.25
Debt Instrument, Covenant Required Ebitda			$ 600,000		$ 1,000,000	$ 500,000			(400,000)
Debt Instrument, Covenant, Minimum Liquidity		2,000,000						$ 2,000,000		$ 4,000,000	$ 4,000,000
Debt Instrument, Covenant, Minimum Liquidity, Percentage Forecasted										80.00%
Debt Instrument, Fee Required On Percentage of Outstanding Principle Balance						0.50%	1.00%	0.50%
Debt Instrument, Additional Payment Amount							$ 1,000,000	$ 1,000,000
Repayments of Debt		500,000
Long-Term Line of Credit		$ 500,000							$ 1,000,000
Line of Credit, Current							$ 500,000
EBC Revolving Loan Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 15,000,000			$ 15,000,000
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.50%
EBC Revolving Loan Facility [Member] \| Secured Overnight Financing Rate (SOFR) [Member]
Debt Instrument, Basis Spread on Variable Rate	0.11448%
EBC Revolving Loan Facility [Member] \| Adjusted Term SOFR [Member]
Debt Instrument, Basis Spread on Variable Rate	5.00%
EBC Additional Line [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 1,000,000			$ 1,000,000
EBC Additional Line [Member] \| Adjusted Term SOFR [Member]
Debt Instrument, Basis Spread on Variable Rate				6.50%
Floor Rate, Adjusted Interest Rate	2.00%			2.00%
Swing Line Loan [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 3,000,000			$ 3,000,000
EBC Credit Agreement [Member]
Debt Instrument, Covenant, Fixed Charge Coverage Ratio	1.1
Debt Instrument Covenant, Capital Expenditures	$ 2,500,000
Short-Term Debt						$ 10,460,000
EBC Credit Agreement [Member] \| Other Assets [Member]
Debt Issuance Costs, Line of Credit Arrangements, Gross	520,000			520,000
EBC Credit Agreement [Member] \| Minimum [Member]
Debt Instrument Covenant, Excess Availability Amount	$ 1,000,000			$ 1,000,000
Debt Instrument Covenant, Adjusted Borrowing Base Percent	10.00%			10.00%