Document and Entity Information (USD $)	12 Months Ended
	Dec. 27, 2014	Mar. 11, 2015
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. 27, 2014
Amendment Flag	false
Current Fiscal Year End Date	--12-27
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		$ 21,164,000
Entity Common Stock, Shares Outstanding		13,144,494
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2014