Consolidated Statements of Shareholders' Equity - USD ($) shares in Thousands, $ in Thousands	Common Stock Private Placement	Common Stock Underwritten Public Offering	Common Stock	Additional Paid-in Capital Private Placement	Additional Paid-in Capital Underwritten Public Offering Pre-funded warrants	Additional Paid-in Capital Underwritten Public Offering	Additional Paid-in Capital	Accumulated Other Comprehensive Loss	Accumulated Deficit	Private Placement	Underwritten Public Offering Pre-funded warrants	Underwritten Public Offering	Total
Balance beginning at Jun. 30, 2022			$ 34				$ 358,635		$ (209,198)				$ 149,471
Balance beginning (in shares) at Jun. 30, 2022			33,582
Proceeds from issuance of equity securities	$ 3			$ 12,327						$ 12,330
Proceeds from issuance of equity securities (in shares)	3,245
Other equity offering costs							(759)						(759)
Share-based compensation							7,268						7,268
Net change in accumulated other comprehensive loss								$ (351)					(351)
Net Income (Loss)									(51,787)				(51,787)
Balance ending at Jun. 30, 2023			$ 37				377,471	(351)	(260,985)				116,172
Balance ending (in shares) at Jun. 30, 2023			36,827
Proceeds from issuance of equity securities		$ 13			$ 14,096	$ 49,004					$ 14,096	$ 49,017
Proceeds from issuance of equity securities (in shares)		13,037										13,000
Other equity offering costs							(548)						(548)
Issuance of common stock upon exercise of stock options							246						$ 246
Issuance of common stock upon exercise of stock options (in shares)			82										82
Share-based compensation							7,360						$ 7,360
Cashless exercise of pre-funded warrants			$ 6				(6)
Cashless exercise of pre-funded warrants (in shares)			6,300
Acquisition and retirement of treasury shares pursuant to Exchange Agreement			$ (3)				(5,697)						(5,700)
Acquisition and retirement of treasury shares pursuant to Exchange Agreement (in shares)			(3,000)
Reclassification of warrant derivative liability to equity							8,547						8,547
Net change in accumulated other comprehensive loss								272					272
Net Income (Loss)									(68,459)				(68,459)
Balance ending at Jun. 30, 2024			$ 53				$ 450,473	$ (79)	$ (329,444)				$ 121,003
Balance ending (in shares) at Jun. 30, 2024			53,246