Document and Entity Information - USD ($)	12 Months Ended
	Dec. 26, 2015	Mar. 07, 2016
Document And Entity Information
Entity Registrant Name	CPS TECHNOLOGIES CORP/DE/
Entity Central Index Key	0000814676
Document Type	10-K
Document Period End Date	Dec. 26, 2015
Amendment Flag	false
Current Fiscal Year End Date	--12-26
Is Entity a Well-known Seasoned Issuer?	No
Is Entity a Voluntary Filer?	No
Is Entity's Reporting Status Current?	Yes
Entity Filer Category	Smaller Reporting Company
Entity Public Float		$ 15,000,000
Entity Common Stock, Shares Outstanding		13,197,918
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2015