Inventories

3 Months Ended

Mar. 31, 2021

Inventory, Net [Abstract]

Inventory Disclosure

5. Inventories, net

	March 31, 2021		December 31, 2020
Raw materials	$	516,008	$	497,604
Work in progress	193,691		152,360
Finished goods	314,525		304,760
Subtotal	1,024,224		954,724
Less reserves	(123,617)		(118,920)
Total	$	900,607	$	835,804