Note 3 - Accounts Receivable (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Financing Receivable, Current, Allowance for Credit Loss [Table Text Block]

	As of December 31,
	2022			2021
Balance, beginning of period	$	89		$	37
Provision for doubtful accounts		9			55
Write-offs		( 11	)		( 3	)
Balance, end of period	$	87		$	89