Note 3 - Inventories

6 Months Ended

Sep. 30, 2020

Notes to Financial Statements

Inventory Disclosure [Text Block]

3. INVENTORIES

Inventories are stated at the lower of cost or net realizable value. Cost is determined by the

first

-in,

first

-out method. Inventories consist of the following as of:

	September 3 0 , 20 20		March 31, 20 20
	(in thousands)
Raw materials	$	689	$	397
Work in process		4,344		4,172
Finished goods		4,878		4,945
Supplies		163		139
Inventories, net	$	10,074	$	9,653

Non-inventoriable fixed costs of

$17,000

and

$85,000

were expensed to cost of sales for the

three

months ended

September 30, 2020

and

2019,

respectively. Non-inventoriable fixed costs of

$46,000

and

$100,000

were expensed to cost of sales for the

six

months ended

September 30, 2020

and

2019,

respectively.