6. Inventory

Components of inventory, net of reserves as of March 31, 2019 and December 31, 2018 are as follows:


	March 31,		December 31,
	2019		2018
Raw Materials	$	3,344,878	$	3,621,548
Work in Process		240,402		256,129
Finished Goods		1,917,290		1,798,101
Total	$	5,502,570	$	5,675,778

As of March 31, 2019 and December 31, 2018, we classified $1.5 million and $1.6 million, respectively, of inventory as non-current, all of which was related to Triferic or the active pharmaceutical ingredient for Triferic. As of March 31, 2019 and December 31, 2018 we had total Triferic inventory aggregating $5.5 million and $8.0 million respectively, against which we had reserved $3.4 million and $5.8 million respectively.

The $2.1 million net value of Triferic inventory consisted of $0.4 million of Dialysate Triferic finished goods sellable through 2020, and $1.7 million of Triferic API with estimated useful lives extending through 2023.