PROPERTY AND EQUIPMENT (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
PROPERTY AND EQUIPMENT
Depreciation expense continuing operations	$ 980	$ 1,045	$ 3,051	$ 3,064

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