Note 2 - Inventories, Net

12 Months Ended

Mar. 31, 2018

Notes to Financial Statements

Inventory Disclosure [Text Block]

Note 

2

Inventories, net

Inventories consist of the following as of

March 

31,

2018

and

2017:

	201 8		201 7
	(in thousands)
Raw materials	$	410	$	347
Work in process		2,602		2,036
Finished goods(1)		5,878		5,460
Supplies		144		129
Inventories, net	$	9,034	$	7,972

( 1 ) Net of reserve for obsolescence of $5,000 and $3,000 at March  31, 2018 and 2017, respectively.