Annual report pursuant to Section 13 and 15(d)

Document And Entity Information

v3.22.0.1
Document And Entity Information - USD ($)
 12 Months Ended
Dec. 31, 2021
Feb. 22, 2022
Jun. 30, 2021
Document Information [Line Items]      
Entity Central Index Key 0000912061    
Entity Registrant Name Natural Health Trends Corp.    
Amendment Flag false    
Current Fiscal Year End Date --12-31    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2021    
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2021    
Document Transition Report false    
Entity File Number 001-36849    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 59-2705336    
Entity Address, Address Line One 132 Nathan Road    
Entity Address, City or Town Tsimshatsui    
Entity Address, Country HK    
City Area Code 852    
Local Phone Number 3107-0800    
Title of 12(b) Security Common Stock, par value $0.001 per share    
Trading Symbol NHTC    
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    
Entity Shell Company false    
Entity Public Float     $ 48,628,270
Entity Common Stock, Shares Outstanding   11,422,539  
Auditor Name Marcum LLP    
Auditor Location Los Angeles, CA    
Auditor Firm ID 688    
ICFR Auditor Attestation Flag true