Cover - shares	3 Months Ended
	Mar. 31, 2022	Apr. 23, 2022
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2022
Document Transition Report	false
Entity File Number	001-38704
Entity Registrant Name	HUDSON GLOBAL, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	59-3547281
Entity Address, Address Line One	53 Forest Avenue
Entity Address, Address Line Two	Suite 102
Entity Address, City or Town	Old Greenwich
Entity Address, State or Province	CT
Entity Address, Postal Zip Code	06870
City Area Code	203
Local Phone Number	409-5628
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		2,804,779
Entity Central Index Key	0001210708
Current Fiscal Year End Date	--12-31
Amendment Flag	false
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q1
Common Stock, $0.001 par value | The NASDAQ Stock Market LLC
Title of 12(b) Security	Common Stock, $0.001 par value
Trading Symbol	HSON
Security Exchange Name	NASDAQ
Preferred Share Purchase Rights | The NASDAQ Stock Market LLC
Title of 12(b) Security	Preferred Share Purchase Rights
Security Exchange Name	NASDAQ
No Trading Symbol Flag	true