Note 11 - Plant Consolidations (Tables)

9 Months Ended

Sep. 30, 2016

Rancho Dominguez, California Facility [Member]

Notes Tables

Restructuring and Related Costs [Table Text Block]

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
Restructuring Costs - California	2016		2015		2016		2015
Employee severance	$	-	$	-	$	-	$	18
Relocation		-		-		-		66
Total	$	-	$	-	$	-	$	84

Newburyport, Massachusetts Facility [Member]

Notes Tables

Restructuring and Related Costs [Table Text Block]

	Three Months Ended				Nine Months Ended
Restructuring Costs - Massachusetts	September 30,				September 30,
	2016		2015		2016		2015
Employee severance	$	-	$	204	$	-	$	204
Relocation		25		286		203		310
Lease termination		-		361		-		361
Total	$	25	$	851	$	203	$	875