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Cover - USD ($)
12 Months Ended
Dec. 31, 2022
Feb. 28, 2023
Jun. 30, 2022
Cover [Abstract]      
Document Type 10-K/A    
Amendment Flag false    
Document Annual Report true    
Document Transition Report false    
Document Period End Date Dec. 31, 2022    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2022    
Current Fiscal Year End Date --12-31    
Entity File Number 1-07109    
Entity Registrant Name SERVOTRONICS, INC.    
Entity Central Index Key 0000089140    
Entity Tax Identification Number 16-0837866    
Entity Incorporation, State or Country Code DE    
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 NYSE    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
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 Public Float     $ 18,797,515
Entity Common Stock, Shares Outstanding   2,525,313  
ICFR Auditor Attestation Flag false    
Auditor Name Freed Maxick CPAs, P.C.    
Auditor Location Buffalo, NY    
Auditor Firm ID 317