Inventory (Tables)

3 Months Ended

Mar. 31, 2019

Inventory Disclosure [Abstract]

Schedule of Inventory

Inventory, net of allowance, consisted of the following as of the dates indicated:

	March 31,		December 31,
	2019		2018
Raw materials	$	687,340	$	853,228
Work in process		209,200		168,937
Finished goods		282,501		284,444
Inventory, net	$	1,179,041	$	1,306,609