Note 3 - Balance Sheet Details (Tables)

9 Months Ended

Sep. 30, 2024

Table Text Block [Abstract]

Summary of Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consisted of the following (in thousands):

	September 30,		December 31,
	2024		2023
Prepaid insurance	$	473	$	428
Other receivables		96		148
Prepaid subscriptions and fees		148		138
Prepaid software licenses		19		64
Deposits		12		—
Deferred equity issuance costs		76		112
Prepaid other		6		6
	$	830	$	896

Schedule of Other Noncurrent Assets

Other noncurrent assets consisted of the following (in thousands):

	September 30,		December 31,
	2024		2023
Prepaid insurance, less current portion	$	324	$	478
Other noncurrent assets		—		12
	$	324	$	490

Schedule Of Accrued Liabilities

Accrued liabilities consisted of the following (in thousands):

	September 30,		December 31,
	2024		2023
Accrued accounts payable	$	118	$	146
Accrued clinical trial expenses		174		20
Accrued CMC expenses		264		5
Accrued director stipends		59		106
Accrued severance and benefits (Note 9)		—		131
Accrued joint development expenses (Note 7)		669		98
Current portion of contingent consideration obligation (Note 4)		—		143
Accrued other		225		182
	$	1,509	$	831