Note 6 - Property, Plant and Equipment (Tables)

3 Months Ended

Mar. 31, 2013

Property, Plant and Equipment [Table Text Block]

	March 31, 2013			December 31, 2012
Machinery and equipment, held and used	$	6,598		$	6,643
Leased assets		1,593			-
Building and improvements		4,324			4,324
Furniture, office equipment & other		2,016			1,930
		14,531			12,897
Less accumulated depreciation		(8,978	)		(8,821	)
Total property, plant and equipment held & used	$	5,553		$	4,076

	March 31, 2013			December 31, 2012
Machinery and equipment, held and not used	$	4,249		$	4,249
Less accumulated depreciation		(2,438	)		(2,392	)
Total property, plant and equipment held and not used	$	1,811		$	1,857