Note 6 - Accrued Expenses and Other Current Liabilities (Tables)

3 Months Ended

Mar. 31, 2024

Notes Tables

Schedule of Accrued Liabilities and Other Current Liabilities [Table Text Block]

	March 31,		December 31,
	2024		2023
Accrued expenses	$	116	$	75
Accrued salaries and employee benefits		837		661
Accrued clinical trial costs		1,140		1,017
Grant liability		471		471
Customer deposits		90		90
Payable to related party		42		71
Total	$	2,696	$	2,385