Note K - Contingencies (Tables)

9 Months Ended

Sep. 30, 2012

Schedule of Product Warranty Liability [Table Text Block]

	Nine Months Ended September 30,
	2012			2011
Aggregate product warranty liability at beginning of period	$	313		$	215
Net aggregate expense related to product warranties		710			620
Aggregate reductions for payments		(240	)		(390	)
Aggregate product warranty liability at end of period	$	783		$	445