Quarterly report pursuant to Section 13 or 15(d)

Note 7 - Property and Equipment, Net

Note 7 - Property and Equipment, Net

6 Months Ended

Jun. 30, 2021

Property, Plant and Equipment Disclosure [Text Block]

7. Property and Equipment, net

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

	Useful Life
Asset Class	(Years)		June 30, 2021			December 31, 2020

Operational equipment		3 - 10	$	1,435		$	12,126
Lab equipment		5		511			524
Computer equipment		3		178			222
Office furniture and equipment		3		215			221
Land		-		—			1,047
Building		39		—			19,508
Equipment under construction				1,715			3,597
				4,054			37,245
Less: accumulated depreciation				(2,124	)		(12,362	)

Total property and equipment, net			$	1,930		$	24,883

Property and equipment depreciation expense was $0.3 million and $0.5 million for the three and six months ended June 30, 2021, respectively, and $0.5 million and $1.0 million for the three and six months ended June 30, 2020, respectively. Equipment under construction is comprised of various components being manufactured or installed by the Company.