Document And Entity Information - shares	3 Months Ended
	Mar. 31, 2025	Apr. 17, 2025
Document Information [Line Items]
Entity Central Index Key	0000089140
Entity Registrant Name	SERVOTRONICS INC /DE/
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2025
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2025
Document Transition Report	false
Entity File Number	1-07109
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	16-0837866
Entity Address, Address Line One	1110 Maple Street
Entity Address, City or Town	Elma
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	14059
City Area Code	716
Local Phone Number	655-5990
Title of 12(b) Security	Common Stock
Trading Symbol	SVT
Security Exchange Name	NYSEAMER
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		2,556,502