Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2022	Aug. 12, 2022
Cover [Abstract]
Entity Registrant Name	SCOTT’S LIQUID GOLD-INC.
Entity Central Index Key	0000088000
Document Type	10-Q
Document Period End Date	Jun. 30, 2022
Amendment Flag	false
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q2
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Common Stock, Shares Outstanding		12,749,156
Entity Interactive Data Current	Yes
Entity Shell Company	false
Entity File Number	001-13458
Entity Incorporation, State or Country Code	CO
Entity Tax Identification Number	84-0920811
Entity Address, Address Line One	8400 E. Crescent Parkway
Entity Address, Address Line Two	Suite 450
Entity Address, City or Town	Greenwood Village
Entity Address, State or Province	CO
Entity Address, Postal Zip Code	80111
City Area Code	(303)
Local Phone Number	373-4860
Document Quarterly Report	true
Document Transition Report	false
Entity Current Reporting Status	Yes