v3.26.1
Document and Entity Information - USD ($)
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Apr. 01, 2026
Jun. 30, 2025
Document and Entity Information [Abstract]        
Document Type 10-K      
Document Annual Report true      
Document Period End Date Dec. 31, 2025      
Document Transition Report false      
Entity File Number 000-42115      
Entity Registrant Name SmartKem, Inc.      
Entity Address State Or Province DE      
Entity Tax Identification Number 85-1083654      
Entity Address, Address Line One Manchester Technology Centre, Hexagon Tower.      
Entity Address, Address Line Two Delaunays Road      
Entity Address, Address Line Three Blackley      
Entity Address, City or Town Manchester      
Entity Incorporation, State or Country Code X0      
Entity Address, Postal Zip Code M9 8GQ      
City Area Code 44 161      
Local Phone Number 721 1514      
Title of 12(b) Security Common Stock, par value $0.0001 per share      
Trading Symbol SMTK      
Security Exchange Name NASDAQ      
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 false      
ICFR Auditor Attestation Flag false      
Document Financial Statement Error Correction [Flag] false      
Entity Shell Company false      
Entity Public Float       $ 3,596,234
Entity Common Stock, Shares Outstanding     21,202,911  
Auditor Firm ID 199 688    
Auditor Name CBIZ CPAS P.C. Marcum LLP    
Auditor Location New York, NY New York, NY    
Entity Central Index Key 0001817760      
Current Fiscal Year End Date --12-31      
Document Fiscal Year Focus 2025      
Document Fiscal Period Focus FY      
Amendment Flag false