Note 12 - Equity Offerings (Tables)

9 Months Ended

Sep. 30, 2023

Notes Tables

Schedule of Common Stock Outstanding Roll Forward [Table Text Block]

	Three Months Ended September 30, 2023			Nine Months Ended September 30, 2023
Shares of common stock issued		78,600			433,672
Average price per share	$	0.31		$	0.52
Gross proceeds	$	25		$	227
Commission paid to Agents	$	(1	)	$	(7	)
Net proceeds	$	24		$	220