Note 6 - Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2012

Property, Plant and Equipment [Table Text Block]

	2012			2011
Machinery and equipment, held and used	$	6,643		$	11,117
Building and improvements		4,324			4,447
Furniture, office equipment & other		1,930			1,826
		12,897			17,390
Less accumulated depreciation		(8,821	)		(10,520	)
Total property, plant and equipment held & used	$	4,076		$	6,870

Held and Note Used [Member]

Property, Plant and Equipment [Table Text Block]

In thousands of dollars
	2012
Machinery and equipment, held and not used		4,249
Less accumulated depreciation		(2,392	)
Total property, plant and equipment held and not used		1,857