Note 3 - Property, Plant, and Equipment

12 Months Ended

Dec. 31, 2018

Notes to Financial Statements

Property, Plant and Equipment Disclosure [Text Block]

3.

Property, Plant, and Equipment

Property, plant, and equipment at

December 31, 2018

and

2017,

consist of the following:

	2018		2017
Land and land improvements	$	905,190	$	905,190
Building		9,964,523		9,950,190
Machinery and equipment		180,519		4,755,727
Office equipment		1,157,392		1,183,115
Computer equipment and software		2,212,935		2,261,038
		14,420,559		19,055,260
Less accumulated depreciation		9,722,009		13,378,021
	$	4,698,550	$	5,677,239

At

December 31, 2018,

approximately

$0.56

million of net property, plant, and equipment (cost

$4.70

million;

$4.14

million accumulated depreciation) is presented as “Assets held for sale” in the accompanying consolidated balance sheets. See Note

2

for further discussion.

For the years ended

December 31, 2018

and

2017,

depreciation expense was

$584,457

and

$674,141,

respectively.