Inventories (Tables)

12 Months Ended

Dec. 31, 2017

Inventory Disclosure [Abstract]

Schedule of inventories

Inventories consist of the following:

	As of December 31,
	2017			2016
Raw materials	$	297		$	283
Finished goods		863			510
		1,160			793
Allowance for excess quantities		(21	)		(21	)
	$	1,139		$	772