Inventories

12 Months Ended

Dec. 31, 2019

Inventory, Net [Abstract]

Inventories [Text Block]

6. Inventories

The components of inventories were as follows:

	December 31, 2019		December 31, 2018
Raw materials	$	467,912	$	439,616
Work in progress	162,670		154,878
Finished goods	280,051		265,722
Subtotal	910,633		860,216
Less reserves	(104,492)		(111,420)
Total	$	806,141	$	748,796

At December 31, 2019 and 2018, approximately 8% and 11%, respectively, of the Company's total inventories were accounted for using the LIFO method.