Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 95,214	$ 118,038
Accounts receivable	15	0
Inventory	57	0
Prepaid expenses and other current assets	1,871	1,411
Total current assets	97,157	119,449
Property and equipment, net	1,055	1,160
Intangible assets, net	741	1,220
Goodwill	2,791	2,791
Right-of-use assets	6,316	7,163
Other assets	705	677
Total assets	108,765	132,460
Current liabilities:
Accounts payable	2,978	1,673
Accrued expenses	5,203	7,027
Lease liability, current	1,519	1,355
Total current liabilities	9,700	10,055
Lease liability, less current portion	6,371	7,543
Total liabilities	16,071	17,598
Commitments and contingencies (Note 7)
Stockholders’ equity:
Preferred stock, $0.001 par value; authorized – 50,000 shares; no shares issued and outstanding	0	0
Common stock, $0.001 par value; authorized – 500,000 shares; issued and outstanding – 67,738 shares and 65,926 shares as of September 30, 2025 and December 31, 2024, respectively	68	66
Additional paid-in capital	538,474	505,296
Accumulated deficit	(445,848)	(390,500)
Total stockholders’ equity	92,694	114,862
Total liabilities and stockholders’ equity	$ 108,765	$ 132,460