Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2018

Property Plant And Equipment [Abstract]

Schedule of Property and Equipment

Property and equipment at December 31 were comprised of the following:

	2018			2017
Production equipment	$	5,600		$	5,397
Office furniture and equipment		724			706
Other		218			218
		6,542			6,321
Less accumulated depreciation		(5,571	)		(5,412	)
	$	971		$	909