SHARE-BASED COMPENSATION - Share-based Compensation for Options and Restricted Stock Units (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
SHARE-BASED COMPENSATION [Abstract]
Total share-based expense	$ 1,019	$ 770	$ 3,403	$ 2,435
Location, Statement of Income, Balance [Axis]: us-gaap:ResearchAndDevelopmentExpense
SHARE-BASED COMPENSATION [Abstract]
Total share-based expense	0	15	0	77
Location, Statement of Income, Balance [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense
SHARE-BASED COMPENSATION [Abstract]
Total share-based expense	$ 1,019	$ 755	$ 3,403	$ 2,358

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details