Note 3 - Accrued Expenses and Other Current Liabilities (Tables)

9 Months Ended

Sep. 30, 2023

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	September 30, 2023		December 31, 2022
Accrued research and development	$	735	$	1,337
Accrued legal, regulatory, professional and other		549		437
Accrued payroll and bonuses		443		748
Operating lease liability - current		88		116
Accrued liabilities due to related party		65		86
Total accrued expenses and other current liabilities	$	1,880	$	2,724