Note 3 - Inventory (Details Textual) - USD ($)	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Cost of Inventory Expensed to Cost of Goods and Service Sold	$ 11,678,617	$ 16,024,302

Amount of cost of inventory expensed to cost of goods and service sold.

No definition available.

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