Inventories

3 Months Ended

Mar. 31, 2019

Inventory, Net [Abstract]

Inventory Disclosure

6. Inventories

	March 31, 2019		December 31, 2018
Raw materials	$	474,204	$	439,616
Work in progress	177,544		154,878
Finished goods	288,986		265,722
Subtotal	940,734		860,216
Less reserves	(112,436)		(111,420)
Total	$	828,298	$	748,796