Debt instrument additional basis spread.

No definition available.

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- Definition

Amount of accumulated amortization of debt issuance costs related to line of credit arrangements.

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- Definition

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

+ References

No definition available.

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- Definition

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

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- Definition

Description of the frequency of periodic payments (monthly, quarterly, annual).

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- Definition

Description of any adjustments made to the stated rate to determine the effective rate.

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- 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.

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- Definition

Amount of the required periodic payments applied to principal.

+ References

+ Details

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Period Type:	duration

- 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.

+ References

+ Details

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- Definition

Amount, after 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.

+ References

+ Details

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Period Type:	instant

- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Amount of the cost of borrowed funds accounted for as interest expense.

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Period Type:	duration

- Definition

Amount of the cost of borrowed funds accounted for as interest expense for debt.

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

- Definition

Amount of the fee for available but unused credit capacity under the credit facility.

+ References

+ Details

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

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

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- 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

+ Details

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Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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- Definition

Disclosure of timing of required repayments, sinking fund requirements, and other redeemable securities at fixed or determinable prices and dates in the five years immediately following the date of the latest balance sheet presented in the financial statements, and the amount thereafter to fully repay the principal of long-term debt. These disclosures may be made either on an individual debt or security basis, by type of debt or security basis, or on a combined basis.

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- Definition

Maturity date of long-term debt, in CCYY-MM-DD format.

+ References

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- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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- Definition

The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

+ References

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- Details

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Credit Agreement and Debt - Additional information (Detail) - USD ($)		3 Months Ended								9 Months Ended
	Jul. 30, 2020	Apr. 30, 2022	Jan. 31, 2022	Oct. 31, 2021	Jul. 31, 2021	Apr. 30, 2021	Jan. 31, 2021	Oct. 31, 2020	Nov. 02, 2019	Oct. 31, 2020	Nov. 02, 2019	Feb. 28, 2017
Debt Instrument [Line Items]
Interest Expense								$ 159,000	$ 101,000	$ 312,000	$ 285,000
Term Loan [Member]
Debt Instrument [Line Items]
Payments for debt issuance costs								200,000		200,000
Capilaized finance costs								100,000		100,000
Debt related expenses								$ 100,000		$ 100,000
Principal payment terms										the principal amount of the quarterly installment required to be paid on the last day of our fiscal quarter ending January 31, 2021 is $1.1 million; the principal amount of the quarterly installment required to be paid on the last day of the our fiscal quarter ending April 30, 2021 is $1.1 million; the principal amount of each quarterly installment required to be paid on the last day of each of the our fiscal quarters ending July 31, 2021, October 31, 2021, January 31, 2022 and April 30, 2022 is $1.4 million, and the entire remaining principal balance of the term loan is required to be paid on June 15, 2022.
Longterm Debt instrument, maturity date								Jun. 15, 2022		Jun. 15, 2022
Debt Instrument, Frequency of Periodic Payment										quarterly installment
Debt Instrument, principal Periodic payment					$ 800,000			$ 800,000
Term Loan [Member] \| Forecast [Member]
Debt Instrument [Line Items]
Debt Instrument, principal Periodic payment		$ 1,400,000	$ 1,400,000	$ 1,400,000	$ 1,400,000	$ 1,100,000	$ 1,100,000
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Fees related to the revolving line of credit										$ 100,000
Unamortized debt issuance cost								$ 100,000		$ 100,000
Variable interest rate										1.00
Revolving Credit Facility [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Percentage added to variable rate										2.65%
Commitment fee rate										0.675%
Revolving Credit Facility [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Percentage added to variable rate										1.15%
Commitment fee rate										0.25%
Revolving Credit Facility [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Interest rate										1.00%
Revolving Credit Facility [Member] \| LIBOR [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Interest rate										3.65%
Revolving Credit Facility [Member] \| LIBOR [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Interest rate										2.15%
Revolving Credit Facility [Member] \| Federal Funds Effective Swap Rate [Member]
Debt Instrument [Line Items]
Interest rate										0.50%
Bank of America, N.A. [Member]
Debt Instrument [Line Items]
Term loans repaid	$ 1,500,000
Bank of America, N.A. [Member] \| Term Loan [Member]
Debt Instrument [Line Items]
Term loan, principal amount	$ 15,200,000
Bank of America, N.A. [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity												$ 10,000,000.0
Revolving line of credit, Outstanding loan amount weighted average interest rate								3.41%		3.41%
Credit facility, remaining borrowing capacity								$ 10,000,000.0		$ 10,000,000.0
Bank of America, N.A. [Member] \| Revolving Credit Facility [Member] \| Other Expense [Member]
Debt Instrument [Line Items]
Revolving line of credit, Interest expenses incurred								$ 35,000		$ 188,000