Note 6 - Inventories

6 Months Ended

Sep. 30, 2018

Notes to Financial Statements

Inventory Disclosure [Text Block]

 

NOTE

6.

INVENTORIES

     Inventories are shown in the following table:

	Sept. 30, 2018		March 31, 2018
Raw materials	$	1,103,638	$	1,084,030
Work in process		1,871,388		1,828,492
Finished goods		600,937		737,917
Total inventories	$	3,575,963	$	3,650,439