Note 8 - Leases (Details Textual)	12 Months Ended
Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)
Lessee, Operating Lease, Term of Contract, Renewal Periods	2
Operating Lease, Cost	$ 9,116,064	$ 7,773,169
Operating Lease Cost, Capitalized to Inventory	3,991,265	3,275,515
Operating Lease, Impairment Loss	6,403,703	3,239,536
Operating Lease, Payments	1,422,907	1,032,183
Cultivation, Las Vegas, NV [Member]
Operating Lease, Impairment Loss	5,813,212
Operating Lease, Payments	0
Warehouse, Coalinga, California [Member]
Operating Lease, Impairment Loss	590,491
Operating Lease, Payments	$ 0
Dispensary, Orange County, CA [Member]
Operating Lease, Impairment Loss		3,214,740
Operating Lease, Payments		0
Cultivation, Beatty, NV [Member]
Operating Lease, Impairment Loss		24,796
Operating Lease, Payments		$ 0
Building [Member] \| Minimum [Member]
Lessee, Operating Lease, Term of Contract (Year)	5 years
Building [Member] \| Maximum [Member]
Lessee, Operating Lease, Term of Contract (Year)	24 years

Represents the number of renewal periods.

No definition available.

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Namespace Prefix:	plnhf_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of operating lease cost capitalized to inventory.

+ References

No definition available.

+ Details

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Namespace Prefix:	plnhf_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Term of lessee's 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/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-3

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 53
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479589/842-20-55-53

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (b)
-Publisher FASB
-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:	debit
Period Type:	duration

- Definition

Amount of loss from impairment of right-of-use asset from operating lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 25
-Paragraph 6
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479365/842-20-25-6

+ Details

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Namespace Prefix:	us-gaap_
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
-Section 45
-Paragraph 5
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-5

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (g)(1)
-Publisher FASB
-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

- Details

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Namespace Prefix:
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- Details

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- Details

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Namespace Prefix:
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Period Type:

- Details

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Namespace Prefix:
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- Details

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- Details

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