Property, Plant and Equipment

3 Months Ended

Mar. 31, 2022

Property, plant and equipment [Abstract]

Property, plant and equipment

6. Property, plant and equipment

Property, plant and equipment are stated at cost less accumulated depreciation and amortization and depreciated using the straight-line method over their useful lives. At March 31, 2022 and December 31, 2021, the Company’s property, plant and equipment, net consisted of the following:

	2022			2021
Computer equipment and software	$	159,987		$	156,701
Furniture and other equipment		276,703			275,606
Leasehold improvements		15,400			15,400
Equipment and machinery		1,232,378			1,219,056
Automobiles		4,638			4,638
Building held for leases		196,416			196,416
Laboratory and temporary units		1,364,748			1,362,760
Land		893,786			3,576,130
Construction in progress		450,381			442,515
Property, plant and equipment		4,594,437			7,249,222
Less: accumulated depreciation		(513,585	)		(409,279	)
Property, plant and equipment, net	$	4,080,852		$	6,839,943

Depreciation expense for the three months ended March 31, 2022 and 2021 amounted to $104,825 and $91,190 respectively.