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

6 Months Ended

Jun. 30, 2025

Notes Tables

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

		June 30,				December 31,
		2025				2024
Accrued expenses		$	41			$	22
Accrued salaries and employee benefits			1,002				641
Accrued clinical trial costs			425				356
Grant liability			465				468
Customer deposits			64				64
Total		$	1,997			$	1,551