Note 3 - Inventories

6 Months Ended

Jun. 30, 2019

Notes to Financial Statements

Inventory Disclosure [Text Block]

3. Inventories

The major components of inventories are as follows:

	Jun 30, 2019			Dec 31, 2018
Raw materials	$	1,794,771		$	1,767,458
Work-in-progress		449,081			370,075
Finished goods		1,596,497			1,196,516
Reduction to LIFO cost		(1,328,100	)		(1,287,461	)
Total Inventories	$	2,512,249		$	2,046,588