Cover - shares	6 Months Ended
	Jun. 30, 2022	Aug. 03, 2022
Document Type	10-Q
Amendment Flag	false
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Jun. 30, 2022
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2022
Current Fiscal Year End Date	--12-31
Entity File Number	001-39184
Entity Registrant Name	SWK Holdings Corporation
Entity Central Index Key	0001089907
Entity Tax Identification Number	77-0435679
Entity Incorporation, State or Country Code	DE
Entity Address, Address Line One	14755 Preston Road
Entity Address, Address Line Two	Suite 105
Entity Address, City or Town	Dallas
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	75254
City Area Code	(972)
Local Phone Number	687-7250
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		12,828,704
Common Stock [Member]
Title of 12(b) Security	Common Stock, par value $0.001 per share
Trading Symbol	SWKH
Security Exchange Name	NASDAQ
Preferred Stock [Member]
Title of 12(b) Security	Preferred Stock Purchase Rights
Trading Symbol	SWKH
Security Exchange Name	NASDAQ