Property, Plant, and Equipment

9 Months Ended

Sep. 30, 2020

Property, Plant and Equipment [Abstract]

Property, plant and equipment consisted of the following (in thousands):


	Estimated Useful Lives (Years)	September 30, 2020		December 31, 2019
Land	N/A	$	1,340	$	1,340
Buildings and land improvements	15-39	2,487		2,464
Manufacturing equipment	7	13,002		12,631
Furniture, fixtures and equipment	5-7	287		277
Vehicles	5	140		140
Hardware and software	3-5	589		398
Total		17,845		17,250
Less: accumulated depreciation		(8,225)		(6,590)
Property, plant and equipment, net		$	9,620	$	10,660

Depreciation expense was $0.6 million and $0.5 million for the three months ended September 30, 2020 and 2019, respectively, of which $0.5 million and $0.4 million, respectively, has been allocated to cost of revenue and $0.1 million and $0.1 million, respectively, is included in depreciation and amortization in the accompanying consolidated statements of operations for the three months ended September 30, 2020 and 2019.

Depreciation expense was $1.7 million and $1.6 million for the nine months ended September 30, 2020 and 2019, respectively, of which $1.5 million and $1.4 million, respectively, has been allocated to cost of revenue and $0.2 million and $0.2 million, respectively, is included in depreciation and amortization in the accompanying consolidated statements of operations for the nine months ended September 30, 2020 and 2019.