PROPERTY AND EQUIPMENT

12 Months Ended

Dec. 31, 2022

PROPERTY AND EQUIPMENT [Abstract]

PROPERTY AND EQUIPMENT

4. PROPERTY AND EQUIPMENT

Property and equipment at December 31, 2022 and 2021 is summarized as follows:

	December 31, 2022			December 31, 2021
Manufacturing and laboratory equipment	$	18,767,807		$	16,702,991
Office equipment and computer software		5,318,669			4,082,462
Furniture and fixtures		5,109,898			3,389,140
Construction in process		6,726,995			5,496,222
Leasehold improvements		17,930,905			11,129,639
Land		4,339,441			4,339,441
Buildings and building improvements		19,544,307			19,067,032
		77,738,022			64,206,927
Less: Accumulated depreciation		(19,476,541	)		(13,271,853	)
Total property, plant and equipment, net	$	58,261,481		$	50,935,074

The Company recorded depreciation expense on property and equipment of $6.4 million and $4.8 million for the years ended December 31, 2022 and 2021, respectively.