Document And Entity Information - shares	6 Months Ended
	Jun. 30, 2021	Jul. 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	Q2
Document Fiscal Year Focus	2021
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 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	Units 1205-07, 12F Mira Place Tower A 132 Nathan Road, Tsimshatsui
Entity Address, City or Town	Kowloon
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 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		11,422,539