Stockholders' Equity - Stock Based Compensation Expense (Details) - USD ($) $ in Thousands |
12 Months Ended | |
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Mar. 31, 2022 |
Mar. 31, 2021 |
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| Stock-Based Compensation | ||
| Stock-based compensation expense | $ 1,245 | $ 937 |
| Cost of goods sold | ||
| Stock-Based Compensation | ||
| Stock-based compensation expense | 109 | 83 |
| Research and development | ||
| Stock-Based Compensation | ||
| Stock-based compensation expense | 79 | 41 |
| Selling, general and administrative | ||
| Stock-Based Compensation | ||
| Stock-based compensation expense | $ 1,057 | $ 813 |
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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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