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

6 Months Ended

Jun. 30, 2022

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	June 30, 2022		December 31, 2021
Accrued research and development	$	1,508	$	1,005
Accrued legal, regulatory, professional and other		835		442
Accrued payroll and bonuses		139		606
Operating lease liability - current		98		96
Accrued liabilities due to related party		95		109
Total accrued expenses and other current liabilities	$	2,675	$	2,258