Note 3 - Inventories

12 Months Ended

Dec. 31, 2022

Notes to Financial Statements

Inventory Disclosure [Text Block]

3. Inventories

Inventories are summarized as follows:

	2022		2021
Raw materials	$	696,409	$	629,090
Work-in-process		44,037		339,746
Finished goods		932,479		482,972
Inventory allowance		-		(12,794	)
Inventory, net	$	1,672,925	$	1,439,014

As of December 31, 2021, there was an inventory allowance of $12,794 made up of potential scrap and obsolete inventory.