Note 8 - Accrued Warranty (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Product Warranty Liability [Table Text Block]

	2012		2011
Beginning Balance – January 1,	$	354	$	211
Charges for accruals in the current period		64		156
Reductions for warranty services provided				(13	)
Ending Balance – December 31,	$	418	$	354