Note 9 - Income Taxes - Summary of Changes in Deferred Tax Asset (Details) - USD ($)	12 Months Ended
Dec. 30, 2023	Dec. 31, 2022
Gross deferred tax balance at beginning of year	$ 2,069,436	$ 2,823,978
Deferred tax benefit (provision)	(499,710)	(754,542)
Balance at end of year, net	$ 1,569,726	$ 2,069,436

Amount before allocation of valuation allowances of deferred tax asset attributable to the effect of deferred tax expense.

No definition available.

+ Details

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Namespace Prefix:	cpsh_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482685/740-10-50-2

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482685/740-10-50-2

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant