Note 4 - Inventories (Tables)

3 Months Ended

Apr. 04, 2015

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

	April 4, 2015		December 31, 2014
Raw materials	$	3,536	$	4,584
Work in process		2,677		3,052
Finished goods		5,245		6,208
Total	$	11,458	$	13,844