Note 5 - Inventories

12 Months Ended

Mar. 31, 2016

Notes to Financial Statements

Inventory Disclosure [Text Block]

NOTE 5. INVENTORIES

     Inventories are shown in the following table:
 

	March 31
	2016		2015
Raw materials	$	810,987	$	738,169
Work in process		1,653,800		2,302,751
Finished goods		740,446		701,572
Total inventories	$	3,205,233	$	3,742,492