PROPERTY AND EQUIPMENT (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2024	Mar. 31, 2023
PROPERTY AND EQUIPMENT
Depreciation expense continuing operations	$ 1,026	$ 939

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