NET LOSS PER SHARE - Schedule of basic and diluted net loss per share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Calculation of Numerators:
Net loss for calculation of basic net loss per share	$ (74,412)	$ (68,459)
Net loss for the calculation of diluted net loss per share	$ (74,412)	$ (68,459)
Calculation of Denominators:
Weighted average shares for basic net loss per share	75,999,290	51,466,150
Weighted average shares for diluted net loss per share	75,999,290	51,466,150
Net loss per share of common stock - basic (in dollars per share)	$ (0.98)	$ (1.33)
Net loss per share of common stock - diluted (in dollars per share)	$ (0.98)	$ (1.33)
2021 PFWs
Calculation of Denominators:
Weighted average shares for basic net loss per share	123,000	1,194,879
Weighted average shares for diluted net loss per share	123,000	1,194,879
2022 PFWs
Calculation of Denominators:
Weighted average shares for basic net loss per share	6,520,837	10,245,243
Weighted average shares for diluted net loss per share	6,520,837	10,245,243
Exchange PFWs
Calculation of Denominators:
Weighted average shares for basic net loss per share	719,967	393,442
Weighted average shares for diluted net loss per share	719,967	393,442
2024 PFW Warrant Exercise
Calculation of Denominators:
Weighted average shares for basic net loss per share	3,750,000	133,197
Weighted average shares for diluted net loss per share	3,750,000	133,197
2025 PFW Warrant Exercise
Calculation of Denominators:
Weighted average shares for basic net loss per share	1,286,483
Weighted average shares for diluted net loss per share	1,286,483
Common Stock
Calculation of Denominators:
Weighted average shares for basic net loss per share	63,599,003	39,499,389
Weighted average shares for diluted net loss per share	63,599,003	39,499,389