v3.26.1
Document and Entity Information - shares
 6 Months Ended
Jun. 30, 2026
Aug. 12, 2026
Document and Entity Information    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2026  
Document Transition Report false  
Entity File Number 001-42115  
Entity Registrant Name SmartKem, Inc.  
Entity Address State Or Province DE  
Entity Tax Identification Number 85-1083654  
Entity Address, Address Line One 3 Germay Drive, Unit 4 #1029  
Entity Address, City or Town Wilmington  
Entity Incorporation, State or Country Code DE  
Entity Address, Postal Zip Code 19804  
Title of 12(b) Security Common Stock, par value $0.0001 per share  
Trading Symbol SMTK  
Security Exchange Name NASDAQ  
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  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   28,263,733
Entity Central Index Key 0001817760  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q2  
Amendment Flag false