v3.26.1
Document And Entity Information - USD ($)
 12 Months Ended
Dec. 31, 2025
Mar. 25, 2026
Jun. 30, 2025
Document Information [Line Items]      
Entity Central Index Key 0001813452    
Entity Registrant Name Planet 13 Holdings Inc.    
Amendment Flag false    
Current Fiscal Year End Date --12-31    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2025    
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2025    
Document Transition Report false    
Entity File Number 000-56374    
Entity Incorporation, State or Country Code NV    
Entity Tax Identification Number 83-2787199    
Entity Address, Address Line One 2548 West Desert Inn Road, Suite 100    
Entity Address, City or Town Las Vegas    
Entity Address, State or Province NV    
Entity Address, Postal Zip Code 89109    
City Area Code 702    
Local Phone Number 815-1313    
Title of 12(g) Security Common Shares    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company true    
Entity Ex Transition Period false    
ICFR Auditor Attestation Flag false    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 43,406,679
Entity Common Stock, Shares Outstanding   328,170,798  
Auditor Firm ID 731    
Auditor Name DAVIDSON & COMPANY LLP    
Auditor Location Vancouver, Canada