v3.19.3
Cover Page - shares
9 Months Ended
Sep. 30, 2019
Nov. 08, 2019
Cover page.    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Sep. 30, 2019  
Document Transition Report false  
Entity File Number 001-33720  
Entity Registrant Name Remark Holdings, Inc.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 33-1135689  
Entity Address, Address Line One 3960 Howard Hughes Parkway  
Entity Address, Address Line Two Suite 900  
Entity Address, City or Town Las Vegas  
Entity Address, State or Province NV  
Entity Address, Postal Zip Code 89169  
City Area Code 702  
Local Phone Number 701-9514  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Title of 12(b) Security Common Stock, $0.001 par value per share  
Trading Symbol MARK  
Security Exchange Name NASDAQ  
Entity Common Stock, Shares Outstanding   49,055,159
Entity Central Index Key 0001368365  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q3  
Amendment Flag false