Fair Value Measurements (Details) - Recurring [Member] - Cash and cash equivalents [Member] - USD ($) $ in Thousands |
Dec. 31, 2017 |
Mar. 31, 2017 |
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| Assets and liabilities measured at fair value on a recurring basis and their related valuation inputs | ||
| Money market funds | $ 12,724 | $ 17,162 |
| Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | ||
| Assets and liabilities measured at fair value on a recurring basis and their related valuation inputs | ||
| Money market funds | $ 12,724 | $ 17,162 |
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- Definition This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a recurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. No definition available.
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