Note 9 - Accrued Expenses (Details Textual)	Dec. 28, 2024 USD ($)
Reserves for Potential Credit to be Issued	$ 288,000

Represents reserves for potential credit to be issued.

No definition available.

Name:	cpsh_ReservesForPotentialCreditToBeIssued
Namespace Prefix:	cpsh_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant