INVENTORY (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Mar. 31, 2023
Inventory [Line Items]
Raw Materials		$ 24
Work in Process		27,145
Finished Goods		52
Total Inventory		$ 27,221
BRIUMVI (Ublituximab)
Inventory [Line Items]
Costs related to BRIUMVI	$ 0

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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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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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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