Document and Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2015	Feb. 29, 2016	Jun. 30, 2015
Document and Entity Information [Abstract]
Entity Registrant Name	SERVOTRONICS INC /DE/
Entity Central Index Key	0000089140
Trading Symbol	svt
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Current Fiscal Year End Date	--12-31
Entity Filer Category	Smaller Reporting Company
Entity Well-Known Seasoned Issuer	No
Entity Common Stock, Shares Outstanding		2,421,774
Entity Public Float			$ 10,729,652
Document Type	10-K
Document Period End Date	Dec. 31, 2015
Amendment Flag	false
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	FY