Note 1 - Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 27, 2014

Accounting Policies [Abstract]

Schedule of Product Warranty Liability [Table Text Block]

	Nine months ended
	September 27, 2014			September 28, 2013
Beginning balance	$	383		$	770
Additions charged to costs and expenses		245			500
Claims processed		(465	)		(855	)
Ending balance	$	163		$	415