Intangible Assets - Finite-lived Intangible Assets (Details) - USD ($) $ in Thousands |
Dec. 31, 2019 |
Mar. 31, 2019 |
|---|---|---|
| Intangible Assets | ||
| Intangible Assets, Gross | $ 7,706 | $ 7,706 |
| Accumulated Amortization | 7,687 | 7,519 |
| Intangible Assets, Net | 19 | 187 |
| Manufacturing license | ||
| Intangible Assets | ||
| Intangible Assets, Gross | 3,700 | 3,700 |
| Accumulated Amortization | 3,700 | 3,700 |
| Technology | ||
| Intangible Assets | ||
| Intangible Assets, Gross | 2,240 | 2,240 |
| Accumulated Amortization | 2,221 | 2,053 |
| Intangible Assets, Net | 19 | 187 |
| Trade name & parts, service and TA100 customer relationships | ||
| Intangible Assets | ||
| Intangible Assets, Gross | 1,766 | 1,766 |
| Accumulated Amortization | $ 1,766 | $ 1,766 |
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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