PROPERTY AND EQUIPMENT - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
PROPERTY AND EQUIPMENT
Depreciation expense continuing operations	$ 877	$ 1,045	$ 1,760	$ 2,071

Amount of deprecation expense attributable to property, plant and equipment of continued operations.

No definition available.

Name:	clar_DepreciationContinuedOperations
Namespace Prefix:	clar_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration