Note 6 - Property, Plant and Equipment, Net

6 Months Ended

Jun. 30, 2021

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:

	June 30, 2021		December 31, 2020
Land	$	228,872	$	228,872
Buildings and improvements		2,740,383		2,061,887
Machinery & equipment		20,537,353		14,329,462
Total property, plant & equipment		23,506,608		16,620,221
Less: accumulated depreciation		8,144,758		5,329,438
Property plant & equipment, net	$	15,361,850	$	11,290,783

Depreciation expense was $661,628 and $425,769 for the three months ended June 30, 2021 and 2020, respectively, and $1,170,565 and $860,453 for the six months ended June 30, 2021 and 2020, respectively.