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Note 4 - Inventories, Net | 6 Months Ended
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Sep. 30, 2021
Notes to Financial Statements |
Inventory Disclosure [Text Block] | Note 4. Inventories, Net Inventories consist of the following:
|  | September 30, 2021 |  |  | March 31, 2021 |
Raw materials |  | $ | 7,610 |  |  | $ | 5,755 |
Work in process |  |  | 423 |  |  |  | 426 |
Finished goods |  |  | 4,084 |  |  |  | 4,997 |
Inventories, net |  | $ | 12,117 |  |  | $ | 11,178 |
Raw materials inventory was higher as of September 30, 2021 compared to March 31, 2021, primarily because we ordered higher than usual quantities of some components during the second quarter of fiscal year 2022 to mitigate supply chain risks.

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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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