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Note 11 - Income Taxes (Details Textual)	3 Months Ended
	Mar. 29, 2025 USD ($)
Deferred Tax Assets, Increase/(Decrease)	$ 84

X

- Definition

The increase/decrease in deferred tax assets.

+ References

No definition available.

+ Details

Name:	cpsh_DeferredTaxAssetsIncreaseDecrease
Namespace Prefix:	cpsh_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration