Note 7. Inventory

Components of inventory, net of reserves as of December 31, 2018 and 2017 are as follows:


	December 31,		December 31,
	2018		2017
Raw Materials	$	3,621,548	$	10,604,232
Work in Process		256,129		212,505
Finished Goods		1,798,101		2,807,399
Total	$	5,675,778	$	13,624,136

As of December 31, 2018 and 2017, we classified $1.6 million and $6.0 million of inventory as non-current all of which was related to Triferic or the active pharmaceutical ingredient for Triferic. As of December 31, 2018 and 2017, we had total Triferic inventory aggregating $8.0 and $13.5 million respectively, against which we had reserved $5.8 and $3.5 million, respectively.

For the year ended December 31, 2018, the Company’s inventory reserves and write-offs increased by $8.8 million, consisting of $8.1 million related to Triferic and $0.7 million related to Calcitriol. For the year ended December 31, 2017, inventory reserves and write-offs increased by $3.5 million related to Triferic.