LIQUIDITY (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
Jun. 30, 2026	Jun. 30, 2026	Jun. 30, 2025
LIQUIDITY
Net loss		$ 77,586	$ 74,412
Net cash used in operating activities		64,635	69,075
Accumulated deficit	$ 481,442	481,442	403,856
Cash and cash equivalents	10,615	10,615	94,107
Short-term investments	97,186	97,186	73,751
Total liabilities	12,162	12,162	13,363
Current liabilities	11,418	11,418	$ 11,912
XOMA (US) LLC \| US Clinical Trial Rz358 (ersodetug) \| Ersodetug License Agreement \| Upon Regulatory Approval
LIQUIDITY
Milestone closing payment		$ 25,000
XOMA (US) LLC \| Phase 3 Clinical Trial RZ 358 (ersodetug) \| Ersodetug License Agreement
LIQUIDITY
Milestone closing payment	$ 5,000

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