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PROPERTY AND EQUIPMENT (Narrative) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
PROPERTY AND EQUIPMENT |  |  |  |
Depreciation expense continuing operations | $ 1,045 | $ 1,080 | $ 2,071 | $ 2,019

X
- Definition Amount of deprecation expense attributable to property, plant and equipment of continued operations. + References No definition available. + Details
Name: | clar_DepreciationContinuedOperations
Namespace Prefix: | clar_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration