Note 6 - 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
Machinery and equipment, held and used	$	7,080		$	6,643
Building and improvements		4,324			4,324
Furniture, office equipment & other		1,707			1,930
Leased assets		1,593
Construction in progress		1,052
		15,756			12,897
Less accumulated depreciation		(9,303	)		(8,821	)
Total property, plant and equipment held & used	$	6,453		$	4,076

	June 30, 2013			December 31, 2012
Machinery and equipment, held and not used	$	3,908		$	4,249
Less accumulated depreciation		(2,270	)		(2,392	)
Total property, plant and equipment held and not used	$	1,638		$	1,857