Note 3 - Balance Sheet Details (Tables)

9 Months Ended

Sep. 30, 2022

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,
	2022		2021
Prepaid insurance	$	807	$	540
Other receivables		20		150
Prepaid subscriptions and fees		205		215
Prepaid software licenses		54		78
Deferred equity issuance costs		81		—
Prepaid other		6		28
	$	1,173	$	1,011

Schedule Of Accrued Liabilities

Accrued liabilities consisted of the following (in thousands):

	September 30,		December 31,
	2022		2021
Accrued accounts payable	$	482	$	195
Accrued clinical trial costs		257		158
Accrued director stipends		111		110
Accrued severance and benefits (Note 10)		392		—
	$	1,242	$	463

Schedule of Other Noncurrent Assets

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

	September 30,		December 31,
	2022		2021
Prepaid insurance, less current portion	$	734	$	868
Other noncurrent assets		12		—
	$	746	$	868