Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2025	Aug. 11, 2025
Document and Entity Information [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2025
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	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	011-44-161
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 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
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		4,544,490
Entity Central Index Key	0001817760
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2025
Document Fiscal Period Focus	Q2
Amendment Flag	false