Property and Equipment, Net

6 Months Ended

Jun. 30, 2022

Property, Plant and Equipment [Abstract]

Property and Equipment, net

Property and equipment, net are as follows:


	June 30,			December 31,
	2022			2021
Machinery and equipment	$	13,914,862		$	9,937,510
Furniture and fixtures		509,054			491,173
Office equipment		777,215			1,111,141
Leasehold improvements		19,565,760			19,431,916
Vehicles		98,282			98,282
Lab equipment		2,938,346			2,930,059
Purchased software		2,150,051			2,107,327
Internally-developed software		425,611			—
Total property and equipment		40,379,181			36,107,408
Less accumulated depreciation and amortization		(12,373,904	)		(11,262,651	)
In-process assets, including deposits on new equipment		2,759,129			2,185,643
Property and equipment, net	$	30,764,406		$	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.

For the three and six months ended June 30, 2022, depreciation and amortization expense of property and equipment was $0.9 million and $1.8 million, respectively (three and six months ended June 30, 2021— $0.8 million and $1.4 million, respectively).