Note 6 - Property, Plant and Equipment, Net

3 Months Ended

Mar. 31, 2022

Notes to Financial Statements

Property, Plant and Equipment Disclosure [Text Block]

6.  PROPERTY, PLANT AND EQUIPMENT, NET

Property, plant and equipment are recorded at cost and depreciated over their useful lives. Maintenance and repair costs are expenses as incurred. Property, plant and equipment are as follows:

	March 31, 2022		December 31, 2021
Land	$	231,034	$	231,034
Buildings and improvements		3,164,362		2,961,431
Machinery & equipment		21,739,595		21,612,759
Total property, plant & equipment		25,134,991		24,805,224
Less: accumulated depreciation		9,730,186		9,196,022
Property plant & equipment, net	$	15,404,805	$	15,609,202

Depreciation expense was $595,833 and $508,937 for the three months ended March 31, 2022 and 2021, respectively.