Property and Equipment

6 Months Ended

Jun. 30, 2020

Property, Plant and Equipment [Abstract]

Property and Equipment

Note 6 - Property and Equipment

Property and equipment, net consist of the following:

			June 30,			December 31,
		Useful Life	2020			2019
Research and development equipment		5 years	$	1,452		$	1,585
Office and computer equipment	(1)	3 years		733			753
Autos		5 years		54			54
Furniture and fixtures		7 years		41			41
Leasehold improvements		*		283			283
				2,563			2,716
Less accumulated depreciation and amortization				(1,999	)		(1,978	)
Total			$	564		$	738

* Shorter of lease term or estimated useful life

(1) In the three and six months ended June 30, 2020, the Company received net proceeds of $4 and $40 in the sale of research and development equipment and office and computer equipment, respectively, resulting in gains on the sale of these assets of $3 and $18 for the three and six months ended June 30, 2020, respectively. 

Depreciation and amortization expense was approximately $71 and $102 for the three months ended June 30, 2020 and 2019, respectively, and $148 and $213 for the six months ended June 30, 2020 and 2019, respectively.