Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2024	Jun. 30, 2023
Current assets:
Cash and cash equivalents	$ 70,396	$ 16,036
Investments in marketable debt securities	56,478	85,860
Prepaid expenses and other	1,779	3,014
Total current assets	128,653	104,910
Long-term assets:
Right-of-use assets	1,880	2,054
Deposits and other	1,838	148
Investments in marketable debt securities	263	16,470
Property and equipment, net	103	139
Total assets	132,737	123,721
Current liabilities:
Accounts payable	4,901	3,269
Accrued liabilities:
Accrued clinical and other	2,325	507
Compensation and benefits	1,812	883
Current portion of operating lease liabilities	568	541
Total current liabilities	9,606	5,200
Long-term liabilities:
Operating lease liabilities, net of current portion	1,660	1,937
Embedded derivative liability	468	412
Total liabilities	11,734	7,549
Commitments and contingencies (Notes 5, 10 and 11)
Shareholders' equity:
Preferred stock, $0.001 par value; 400 shares authorized; no shares issued
Common stock, $0.001 par value; 100,000 shares authorized; issued and outstanding 53,246 and 36,827 shares as of June 30, 2024 and 2023, respectively	53	37
Additional paid-in capital	450,473	377,471
Accumulated other comprehensive loss	(79)	(351)
Accumulated deficit	(329,444)	(260,985)
Total shareholders' equity	121,003	116,172
Total liabilities and shareholders' equity	$ 132,737	$ 123,721