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Note 3 - Balance Sheet Details (Tables)

12 Months Ended

Dec. 31, 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):

		December 31,
		2024				2023
Prepaid insurance		$	384			$	428
Other receivables			24				148
Prepaid subscriptions and fees			116				138
Prepaid software licenses			57				64
Deposits			12				—
Deferred equity issuance costs			75				112
Prepaid other			5				6
		$	673			$	896

Schedule of Other Noncurrent Assets

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

		December 31,
		2024				2023
Prepaid insurance, less current portion		$	273			$	478
Other noncurrent assets			—				12
		$	273			$	490

Schedule of Accrued Liabilities

Accrued liabilities consisted of the following (in thousands):

		December 31,
		2024				2023
Accrued accounts payable		$	109			$	146
Accrued clinical trial expenses			-				20
Accrued chemistry, manufacturing and controls ("CMC") expenses			606				5
Accrued director stipends			59				106
Accrued severance and benefits (Note 8)			—				131
Accrued joint development expenses (Note 7)			223				98
Current portion of contingent consideration obligation (Note 4)			—				143
Accrued other			243				182
		$	1,240			$	831

X

- Definition

Tabular disclosure of the amounts paid in advance for capitalized costs that will be expensed with the passage of time or the occurrence of a triggering event, and will be charged against earnings within one year or the normal operating cycle, if longer; the aggregate carrying amount of current assets, not separately presented elsewhere in the balance sheet; and other deferred costs.

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(17))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

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