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Acquisition and Related Goodwill - Additional Information (Details) $ in Thousands | Sep. 25, 2017 USD ($) company | Sep. 30, 2018 USD ($) | Mar. 31, 2018 USD ($)
--- | --- | --- | ---
Business Acquisition [Line Items] |  |  |
Goodwill allocated |  | $ 1,719 | $ 1,719
Number of merged companies | company | 2 |  |
Infinia Technology Corporation (ITC) |  |  |
Business Acquisition [Line Items] |  |  |
Consideration transferred, excluding contingent consideration | $ 3,800 |  |
Goodwill allocated |  | $ 1,700 |

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