Estimated future cash outflow to pay for construction in progress expenditures that have occurred.

No definition available.

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- Definition

Amount of operating lease expense including real estate taxes and other costs.

+ References

No definition available.

+ Details

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- Definition

Area of land held.

+ References

No definition available.

+ Details

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- Definition

Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-Publisher FASB
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- Definition

Amount of operating lease expense. Excludes sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 4
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-4

+ Details

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

- Definition

Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
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-URI https://asc.fasb.org/1943274/2147478964/842-20-50-4

+ Details

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

- Definition

Weighted average discount rate for operating lease calculated at point in time.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 842
-SubTopic 20
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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 842
-SubTopic 20
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-Section 55
-Paragraph 53
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Namespace Prefix:	us-gaap_
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Period Type:	instant

- Details

Name:	us-gaap_LeaseContractualTermAxis=pke_AdditionalLeaseAgreementWithCityAndCountyForLandAtNewtonKansasAirportMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Data Type:	na
Balance Type:
Period Type:

- Details

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Data Type:	na
Balance Type:
Period Type:

- Details

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Note 10 - Leases and Commitments (Details Textual) $ in Thousands	1 Months Ended	12 Months Ended
	Dec. 31, 2018 USD ($) a ft²	Mar. 03, 2024 USD ($)	Feb. 26, 2023 USD ($)	Feb. 27, 2022 USD ($)
Operating Lease, Expense		$ 62	$ 62
Operating Lease, Payments		$ 53	53
Operating Lease, Weighted Average Remaining Lease Term (Year)		9 years 5 months 19 days
Operating Lease, Weighted Average Discount Rate, Percent		4.75%
Operating Lease, Expense, Including Real Estate Taxes and Other Costs		$ 464	$ 242	$ 267
Additional Lease Agreement with City and County for Land at Newton, Kansas Airport [Member]
Area of Land \| a	3
Lease Agreement with City and County for Land at Newton, Kansas Airport [Member]
Area of Land \| a	8
Additional Manufacturing Facility [Member]
Area of Land \| ft²	90,000
Construction in Progress Estimated Cost	$ 19,800
Minimum [Member]
Lessee, Operating Lease, Renewal Term (Year)		1 year
Maximum [Member]
Lessee, Operating Lease, Renewal Term (Year)		10 years