REVENUE AND GRANT INCOME RECOGNITION - Schedule of Balances Recorded within Deferred Revenue (Parenthetical) (Details) - USD ($)	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Disaggregation of Revenue [Line Items]
Deferred revenue	$ 0	$ 0	$ 0	$ 1,100,000

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