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Document and Entity Information - shares
6 Months Ended
Jun. 29, 2018
Jul. 31, 2018
Details    
Registrant Name EVANS & SUTHERLAND COMPUTER CORPORATION  
Registrant CIK 0000276283  
SEC Form 10-Q  
Period End date Jun. 29, 2018  
Fiscal Year End --12-31  
Trading Symbol escc  
Tax Identification Number (TIN) 870278175  
Number of common stock shares outstanding   11,352,516
Filer Category Smaller Reporting Company  
Current with reporting Yes  
Voluntary filer No  
Well-known Seasoned Issuer No  
Amendment Flag false  
Document Fiscal Year Focus 2018  
Document Fiscal Period Focus Q2  
Contained File Information, File Number 001-14677  
Entity Incorporation, State Country Name Utah  
Entity Address, Address Line One 770 Komas Drive  
Entity Address, City or Town Salt Lake City  
Entity Address, State or Province Utah  
Entity Address, Postal Zip Code 84108