Note 13 - Stock-based Compensation - Share based Compensation (Details) - Restricted Stock [Member]	Dec. 31, 2023 USD ($)
2021	$ 728,000
2022	777,000
2023	493,000
2024	136,000
2025	$ 0

Amount of cost to be recognized for nonvested award in year five under share-based payment arrangement.

No definition available.

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Amount of cost to be recognized for nonvested award in year four under share-based payment arrangement.

No definition available.

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Namespace Prefix:	ptsi_
Data Type:	xbrli:monetaryItemType
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Amount of cost to be recognized for nonvested award in year one under share-based payment arrangement.

No definition available.

Name:	ptsi_SharebasedPaymentArrangementNonvestedAwardCostToBeRecognizedYearOne
Namespace Prefix:	ptsi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount of cost to be recognized for nonvested award in year three under share-based payment arrangement.

No definition available.

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Namespace Prefix:	ptsi_
Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Amount of cost to be yet recognized for nonvested award in year two under share-based payment arrangement.

No definition available.

Name:	ptsi_SharebasedPaymentArrangementNonvestedAwardCostToBeRecognizedYearTwo
Namespace Prefix:	ptsi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Name:	us-gaap_AwardTypeAxis=us-gaap_RestrictedStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: