Property and Equipment, Net

3 Months Ended

Mar. 31, 2022

Property, Plant and Equipment [Abstract]

Property and Equipment, net

Property and equipment, net are as follows:


	March 31,			December 31,
	2022			2021
Machinery and equipment	$	14,130,736		$	9,937,510
Furniture and fixtures		509,054			491,173
Office equipment		1,144,489			1,111,141
Leasehold improvements		19,487,519			19,431,916
Vehicles		98,282			98,282
Lab equipment		2,938,346			2,930,059
Purchased software		2,107,327			2,107,327
Internally-developed software		312,438			—
Total property and equipment		40,728,191			36,107,408
Less accumulated depreciation and amortization		(12,304,273	)		(11,262,651	)
In-process assets including deposits on new equipment		2,439,060			2,185,643
Property and equipment, net	$	30,862,978		$	27,030,400

In-process assets are stated at cost, which includes the cost of construction and other directly attributable costs. No provision for depreciation is made on in-process assets until the relevant assets are completed and available for intended use.

Depreciation and amortization expense of property and equipment was $916 thousand and $576 thousand for the three months ended March 31, 2022, and 2021, respectively.