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Income Taxes - Schedule of Movement in Valuation Allowance (Parentheticals) (Details)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Schedule of Movement in Valuation Allowance [Abstract]
Increase — current year tax loss, Percent	23.00%	23.00%

X

- Definition

The increase current year tax loss.

+ References

No definition available.

+ Details

Name:	chek_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetValuationAllowance
Namespace Prefix:	chek_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_ValuationAllowanceAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration