Unaudited Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2024	Jun. 30, 2024
Current assets:
Cash and cash equivalents	$ 10,472	$ 70,396
Investments in marketable debt securities	97,801	56,478
Prepaid expenses and other	1,905	1,779
Total current assets	110,178	128,653
Long-term assets:
Investments in marketable debt securities	9,552	263
Deposits and other	1,838	1,838
Right-of-use assets	1,751	1,880
Property and equipment, net	95	103
Total assets	123,414	132,737
Current liabilities:
Accounts payable	2,176	4,901
Accrued liabilities:
Compensation and benefits	2,652	1,812
Accrued clinical and other	2,579	2,325
Current portion of operating lease liabilities	584	568
Total current liabilities	7,991	9,606
Long-term liabilities:
Operating lease liabilities, net of current portion	1,499	1,660
Embedded derivative liability	483	468
Total liabilities	9,973	11,734
Commitments and contingencies (Notes 5, 9 and 10)
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 55,394 and 53,246 shares as of September 30, 2024 and as of June 30, 2024, respectively	55	53
Additional paid-in capital	457,919	450,473
Accumulated other comprehensive income (loss)	289	(79)
Accumulated deficit	(344,822)	(329,444)
Total shareholders' equity	113,441	121,003
Total liabilities and shareholders' equity	$ 123,414	$ 132,737