Document and Entity Information - USD ($)
 12 Months Ended
Dec. 31, 2019
May 29, 2020
Jun. 28, 2019
Cover [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 31, 2019    
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus FY    
Entity Registrant Name COOL HOLDINGS, INC.    
Title of 12(b) Security Common Stock, par value $0.001 per share    
Trading Symbol AWSM    
Security Exchange Name NONE    
Entity Central Index Key 0001274032    
Entity Current Reporting Status No    
Entity Voluntary Filers No    
Entity Interactive Data Current Yes    
Current Fiscal Year End Date --12-31    
Entity Filer Category Non-accelerated Filer    
Entity Well-known Seasoned Issuer No    
Entity Public Float     $ 10,549,785
Entity Small Business true    
Entity Emerging Growth Company false    
Entity Common Stock, Shares Outstanding   47,644,721  
Entity Shell Company false    
Entity File Number 001-32217    
Entity Incorporation, State or Country Code MD    
Entity Tax Identification Number 33-0599368    
Entity Address, Address Line One 2001 NW 84th Avenue    
Entity Address, City or Town Miami    
Entity Address, State or Province FL    
Entity Address, Postal Zip Code 33122    
City Area Code 786    
Local Phone Number 254-6709    
Document Annual Report true    
Document Transition Report false    
Documents Incorporated by Reference

None.