Note 2 - Revenue and Product Costs (Tables)

9 Months Ended

Sep. 30, 2022

Notes Tables

Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]

	Customer			Deferred
	Deposits			Revenue
Balance at January 1, 2022	$	43		$	265
Additions, net		-			171
Transfer to revenue		(43	)		(136	)
Balance at September 30, 2022	$	-		$	300
Current portion	$	-		$	144
Long-term portion	$	-		$	156