Debt instrument additional basis spread.

No definition available.

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- Definition

Payment of fees on the undrawn portion of the credit facility.

+ References

No definition available.

+ Details

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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.

+ Details

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- Definition

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

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Balance Type:	credit
Period Type:	instant

- 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.

+ Details

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- Definition

Amount of the required periodic payments applied to principal.

+ References

+ Details

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

- Definition

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

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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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Balance Type:	credit
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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Period Type:	instant

- 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.

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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 YYYY-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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Credit Agreement and Debt - Additional Information (Detail) - USD ($)		3 Months Ended				9 Months Ended				21 Months Ended
	Mar. 24, 2021	Jul. 31, 2025	Apr. 30, 2025	Oct. 30, 2021	Oct. 31, 2020	Jan. 31, 2023	Jan. 31, 2022	Oct. 30, 2021	Oct. 31, 2020	Jan. 31, 2025
Debt Instrument [Line Items]
Revolving credit facility				$ 0				$ 0
Interest Expense, Debt				$ 50,000	$ 159,000			$ 230,000	$ 312,000
Principal payment terms								the principal amount of each quarterly installment required to be paid on the last day of each of our fiscal quarters ending on or about April 30, 2021 through January 31, 2022 is $187,500; the principal amount of each quarterly installment required to be paid on the last day of each of our fiscal quarters ending on or about April 30, 2022 through January 31, 2023 is $250,000; the principal amount of each quarterly installment required to be paid on the last day of each of our fiscal quarters ending on or about April 30, 2023 through January 31, 2025 is $312,500; the principal amount of each quarterly installment required to be paid on the last day of each of our fiscal quarters ending on or about April 30, 2025 and July 31, 2025 is $500,000; and the entire remaining principal balance of the term loan is required to be paid on September 30, 2025.
Term Loan [Member]
Debt Instrument [Line Items]
Longterm Debt instrument, maturity date				Sep. 30, 2025				Sep. 30, 2025
Debt Instrument, Frequency of Periodic Payment								quarterly installment
Term Loan [Member] \| Forecast [Member]
Debt Instrument [Line Items]
Debt Instrument, principal Periodic payment		$ 500,000	$ 500,000			$ 250,000	$ 187,500			$ 312,500
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Variable interest rate								0.50
LIBOR [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Interest rate								1.00%
Federal Funds Effective Swap Rate [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Interest rate								0.50%
Minimum [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Commitment fee rate								0.15%
Percentage added to variable rate								0.60%
Minimum [Member] \| LIBOR [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Interest rate								1.60%
Maximum [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Commitment fee rate								0.30%
Percentage added to variable rate								1.30%
Maximum [Member] \| LIBOR [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Interest rate								2.30%
Bank of America, N.A. [Member]
Debt Instrument [Line Items]
Term loans repaid	$ 2,600,000
Bank of America, N.A. [Member] \| Term Loan [Member]
Debt Instrument [Line Items]
Principal amount of debt				$ 10,000,000.0				$ 10,000,000.0
Term loan, principal amount				10,000,000.0				10,000,000.0
Bank of America, N.A. [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Revolving credit facility				0				0
Interest Expense, Debt				0
Maximum borrowing capacity				22,500,000				22,500,000
Line of credit remaining borrowing capacity				22,500,000				22,500,000
Bank of America, N.A. [Member] \| Revolving Credit Facility [Member] \| Interest Expense [Member]
Debt Instrument [Line Items]
Interest Expense, Debt					$ 22,000			0	$ 188,000
Commitement fees on the undrawn portion of the credit facility				8,300
Payment of fees on the undrawn portion of the credit facility				8,300
Bank of America, N.A. [Member] \| Maximum [Member] \| Term Loan [Member]
Debt Instrument [Line Items]
Principal amount of debt				10,000,000.0				10,000,000.0
Term loan, principal amount				$ 10,000,000.0				$ 10,000,000.0