Capital expenditure.

No definition available.

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Namespace Prefix:	OPXS_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

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

+ References

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

- Definition

Amount of interest expense classified as operating and nonoperating. Includes, but is not limited to, cost of borrowing accounted for as interest expense.

+ References

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

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

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+ Details

Name:	us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Description of the terms of a credit facility arrangement. Terms typically include interest rate, collateral required, guarantees required, repayment requirements, and restrictions on use of assets and activities of the entity.

+ References

+ Details

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

- Definition

Date the credit facility terminates, in YYYY-MM-DD format.

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

- Definition

Fair value of the amount outstanding under the credit facility.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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

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

- Definition

Amount of the required periodic payment applied to principal.

+ References

+ Details

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

- 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.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Balance Type:	credit
Period Type:	duration

- Details

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

- Details

Name:	us-gaap_LineOfCreditFacilityAxis=OPXS_TexasCapitalBankMember
Namespace Prefix:
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Balance Type:
Period Type:

- Details

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Period Type:

Debt Financing (Details Narrative) - USD ($)			3 Months Ended		6 Months Ended
Debt Financing (Details Narrative) - USD ($)	May 21, 2025	Mar. 22, 2023	Mar. 29, 2026	Mar. 30, 2025	Mar. 29, 2026	Mar. 30, 2025
Line of Credit Facility [Line Items]
Line of credit facility, fair value of amount outstanding						$ 1,000,000
Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Line of credit facility, fair value of amount outstanding			$ 0		0
Revolving Credit Facility [Member] \| Texas Capital Bank [Member]
Line of Credit Facility [Line Items]
Line of credit principal amount	$ 3,000,000	$ 3,000,000
Maturity date	May 22, 2027	May 22, 2025
Letter of credit	$ 125,000	$ 125,000
Debt instrument, interest rate	6.40%
Capital expenditure	$ 1,000,000
Description of term period	The Loan Agreement also requires the Borrowers to maintain a fixed charge coverage ratio of at least 1.25:1 and a total leverage ratio of 3.00:1.
Revolving Credit Facility [Member] \| Texas Capital Facility [Member]
Line of Credit Facility [Line Items]
Line of credit facility, fair value of amount outstanding			0	$ 0	0	0
Interest Income/(Expense)			$ 0	$ 1,000	$ 0	$ (12,000)