Note 6. Product Warranty (Tables)

3 Months Ended

Mar. 31, 2013

Schedule of Product Warranty Liability [Table Text Block]

	Three Months
	Ended March 31,
	2013			2012
Balance at beginning of period	$	50		$	50
Provisions		29			34
Warranty services provided		(24	)		(34	)
	$	55		$	50