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Income Taxes - Schedule of Movement in Valuation Allowance (Parentheticals) (Details) | 12 Months Ended
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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