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Note 9 - Inventory | 9 Months Ended
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Dec. 31, 2020
Notes to Financial Statements |
Inventory Disclosure [Text Block] | 9. Inventory Inventory, net of reserves, at December 31, 2020 and March 31, 2020 consisted of the following (in thousands):
|  | December 31, 2020 |  |  | March 31, 2020 |
Raw materials |  | $ | 7,651 |  |  | $ | 10,739 |
Work-in-process |  |  | 3,497 |  |  |  | 1,345 |
Finished goods |  |  | 1,698 |  |  |  | 5,260 |
Deferred program costs |  |  | 1,330 |  |  |  | 1,631 |
Net inventory |  | $ | 14,176 |  |  | $ | 18,975 |
The Company recorded inventory write-downs of $ 0.4 million and $0.3 million for the three months ended December 31, 2020 and 2019 , respectively. The Company recorded inventory write-downs of $ 1.6 million and $0.5 million for the nine months ended December 31, 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 December 31, 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.

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- Definition The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -URI http://asc.fasb.org/topic&trid=2126998 + Details
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