Note 4 - Property, Plant and Equipment (Tables)

6 Months Ended

Jun. 30, 2013

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment [Table Text Block]

	June 30, 2013		December 31, 2012
Land	$	123	$	123
Buildings and leasehold improvements		7,402		7,381
Machinery and equipment		46,552		46,606
Furniture and fixtures		1,928		1,810
Computer hardware and software		4,198		4,103
Construction in progress		1,138		1,275
		61,341		61,298
Less:  Accumulated depreciation		50,092		48,883
	$	11,249	$	12,415