Note 8 - Inventory

6 Months Ended

Sep. 30, 2020

Notes to Financial Statements

Inventory Disclosure [Text Block]

8.

Inventory

Inventory, net of reserves, at 

September 30, 2020

and 

March 31, 2020

consisted of the following (in thousands):

	September 30, 2020		March 31, 2020
Raw materials	$	4,989	$	10,739
Work-in-process		2,283		1,345
Finished goods		5,269		5,260
Deferred program costs		1,614		1,631
Net inventory	$	14,155	$	18,975

The Company recorded inventory write-downs of $

0.5

million and

$0.1

 million for the

three

months ended

September 30, 2020

and

2019

, respectively.  The Company recorded inventory write-downs of $

1.3

 million and

$0.2

 million for the 

six

months ended

September 30, 2020

and

2019

, respectively.  These write-downs were based on the Company's evaluation of its inventory on hand for excess quantities and obsolescence.

Deferred program costs as of 

September 30, 2020

and 

March 31, 2020

primarily represent costs incurred on programs where the Company needs to complete performance obligations before the related revenue and costs will be recognized.