Note 1 - Nature of Operations (Details Textual)	Mar. 31, 2026
NEVADA
Number of Licenses for Cultivation, Total	6
Number of Licenses for Cultivation, Medical	3
Number of Licenses for Cultivation, Adult Use	3
Number of Licenses for Production, Total	6
Number of Licenses for Production, Medical	3
Number of Licenses for Production, Adult Use	3
Number of Licenses for Dispensary, Total	3
Number of Licenses for Dispensary, Medical	1
Number of Licenses for Dispensary, Adult Use	2
Number of Licenses for Distribution, Total	2
Number of Licenses for Distribution, Active	1
Number of Licenses for Distribution, Conditional	1
CALIFORNIA
Number of Licenses for Cultivation, Total	1
Number of Licenses for Dispensary, Medical and Adult Use	1
Number of Licenses, Event Organizatier	1
Number of Licenses for Manufacture, Adult Use	2

The number of licenses for event organization.

No definition available.

Name:	plnhf_NumberOfLicensesEventOrganizatier
Namespace Prefix:	plnhf_
Data Type:	xbrli:positiveIntegerItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the number of licenses for cultivation for adult-use.

+ References

No definition available.

+ Details

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

- Definition

Represents the number of licenses for cultivation for medical use.

+ References

No definition available.

+ Details

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

- Definition

Represents the number of licenses for cultivation.

+ References

No definition available.

+ Details

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

- Definition

Represents the number of licenses for dispensary for adult use.

+ References

No definition available.

+ Details

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

- Definition

Represents the number of licenses for dispensary for medical use.

+ References

No definition available.

+ Details

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

- Definition

The number of licenses for dispensary for medical and adult use.

+ References

No definition available.

+ Details

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

- Definition

Represents the total number of licenses for dispensary.

+ References

No definition available.

+ Details

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

- Definition

Represents the number of licenses for distribution that are active.

+ References

No definition available.

+ Details

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

- Definition

Represents the number of licenses for distribution that are conditional.

+ References

No definition available.

+ Details

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

- Definition

Represents the total number of licenses for distribution.

+ References

No definition available.

+ Details

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

- Definition

Represents the number of licenses for manufacture for adult use.

+ References

No definition available.

+ Details

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

- Definition

Represents the number of licenses for production for adult use.

+ References

No definition available.

+ Details

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

- Definition

Represents the number of licenses for production for medical use.

+ References

No definition available.

+ Details

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

- Definition

Represents the total number of licenses for production.

+ References

No definition available.

+ Details

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

- Details

Name:	srt_StatementGeographicalAxis=stpr_NV
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=stpr_CA
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: