Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022	Jun. 30, 2022
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss			$ (39,059)	$ (31,637)
Share-based compensation expense			5,465	2,701
Non-cash lease expense			233	221
Accretion of discounts and amortization of premiums on marketable debt securities, net			(708)
Loss from change in fair value of derivative liabilities	$ 14	$ 12	40	8
Depreciation and amortization expense			21	10
Accretion of debt discount and issuance costs				319
Changes in operating assets and liabilities:
Decrease (increase) in prepaid expenses and other assets			(770)	17
Increase in accounts payable			1,815	548
Increase (decrease) in accrued liabilities			(168)	307
Net Cash Used in Operating Activities			(33,131)	(27,506)	$ (39,600)
CASH FLOWS FROM INVESTING ACTIVITIES
Purchase of marketable debt securities			(94,954)
Purchase of property and equipment			(153)
Total Cash Used in Investing Activities			(95,107)
CASH FLOWS FROM FINANCING ACTIVITIES:
Payment of commissions and other offering costs			(759)	(3,449)
Payment of debt discount and issuance costs				(104)
Net Cash Provided by Financing Activities			11,571	54,875
Net increase (decrease) in cash, cash equivalents and restricted cash			(116,667)	27,369
Cash, cash equivalents and restricted cash at beginning of period			150,410	41,047	41,047
Cash, cash equivalents and restricted cash at end of period	33,743	68,416	33,743	68,416	150,410
Cash and cash equivalents, end of period	33,743	63,416	33,743	63,416	150,410
Restricted cash, end of period		5,000		5,000
Total cash, cash equivalents and restricted cash, end of period	$ 33,743	$ 68,416	33,743	68,416	$ 150,410
SUPPLEMENTARY CASH FLOW INFORMATION:
Cash paid for interest				1,011
Cash paid for amounts included in the measurement of operating lease liabilities			87	254
Operating lease liabilities incurred in exchange for right-of-use assets			2,204
NON-CASH INVESTING AND FINANCING ACTIVITIES:
Issuance of commitment shares for deferred offering costs subsequently charged to additional paid-in capital				450
2022 Private Placement
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuances of common stock			$ 12,330
2021 Underwritten Public Offering
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuances of common stock				50,738
2021 Registered Direct Offering
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuances of common stock				5,000
EDA with Oppco
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuances of common stock				1,519
LPC Purchase Agreement
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuances of common stock				$ 1,171