Property, Plant, and Equipment

12 Months Ended

Dec. 31, 2016

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment Disclosure [Text Block]

2. Property, Plant, and Equipment

Property, plant, and equipment at December 31, 2016 and 2015, consist of the following:

	2016		2015
Land and land improvements	$	905,190	$	905,190
Building		9,943,512		9,951,555
Machinery and equipment		4,329,329		4,344,403
Office equipment		1,203,868		1,223,921
Computer equipment and software		2,218,766		2,341,149
		18,600,665		18,766,218
Less accumulated depreciation		12,746,363		12,347,091
	$	5,854,302	$	6,419,127

For the years ended December 31, 2016 and 2015, depreciation expense was $728,618 and $732,968, respectively.