5.Inventory

The Company’s inventory consists of the following:


	As at
	December 31, 2017	December 31, 2016
	$	$
In-process inventory	315	897
Plant inventory	369	461
Conversion facility inventory	3,831	2,751

	4,515	4,109

As of December 31, 2017, inventory was carried at net realizable value. The cost of inventory is recognized as an expense when the corresponding sale is made and the costs are included in Cost of Sales. Adjustments to inventory to reflect the net realizable value are also included in Cost of Sales. For the year 2017, there was a write down of $2.6 million.