Accounts Receivable and Inventory (Tables)

12 Months Ended

Dec. 31, 2018

Accounts Receivable and Inventory [Abstract]

Components of inventory

The components of inventory follow:

	2018		2017
Raw materials	$	1,077	$	953
Work-in-process	500		471
Finished goods	1,208		1,196
Total inventory	$	2,785	$	2,620