Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2015

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment [Table Text Block]

Property, plant and equipment are summarized as follows:

	December 31,
	2015		2014
Land	$	1,000	$	1,000
Building		3,361		3,361
Machinery and equipment		10,443		10,327
Furniture and fixtures		432		432
Office equipment		2,304		2,261
Building improvements		1,414		1,414
		18,954		18,795
Less:  Accumulated depreciation and amortization		(15,333)		(14,872)
	$	3,621	$	3,923