SEGMENT DISCLOSURES (Details) $ in Thousands	12 Months Ended
	Jun. 30, 2025 USD ($) segment	Jun. 30, 2024 USD ($)
SEGMENT DISCLOSURES
Number of reportable segment | segment	1
Research and development:
Total research and development	$ 61,527	$ 55,743
General and administrative:
Total general and administrative	18,367	14,680
Operating loss	(79,894)	(70,423)
Total non-operating income (expense), net	5,482	1,964
Net loss	(74,412)	(68,459)
Single reportable segment
Research and development:
Total research and development	61,527	55,743
General and administrative:
Compensation and benefits	10,756	8,933
Other G&A segment expenses	7,611	5,747
Total general and administrative	18,367	14,680
Operating loss	(79,894)	(70,423)
Total non-operating income (expense), net	5,482	1,964
Net loss	(74,412)	(68,459)
Single reportable segment | Ersodetug
Research and development:
Total research and development	31,752	19,937
Single reportable segment | RZ402
Research and development:
Total research and development	601	7,648
Single reportable segment | Compensation and benefits
Research and development:
Total research and development	19,404	17,463
Single reportable segment | Other R&D segment expenses
Research and development:
Total research and development	$ 9,770	$ 10,695