STOCK-BASED COMPENSATION - Schedule of Allocation of Stock-Based Compensation Expense by Plan (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Stock-Based Compensation [Line Items]
Stock-based compensation expense	$ 1,108	$ 1,308	$ 3,612	$ 5,016
Stock options and restricted stock units
Stock-Based Compensation [Line Items]
Stock-based compensation expense	1,105	1,301	3,583	4,976
Employee Stock Purchase Plan
Stock-Based Compensation [Line Items]
Stock-based compensation expense	$ 3	$ 7	$ 29	$ 40

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

Ovid Therapeutics Inc. 10-Q