Property, Plant and Equipment

12 Months Ended

Dec. 31, 2015

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment Disclosure [Text Block]

2.      Property, Plant and Equipment

	Depreciable
	lives	(in thousands)
	(in years)	2015		2014
Machinery and equipment	5 to 12	$	2,675	$	3,883
Leasehold improvements	15		1,833		1,833
Property, plant and equipment, at cost			4,508		5,716
Less accumulated depreciation			2,721		3,726
Property, plant and equipment, net		$	1,787	$	1,990