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Inventories, Net (Details Textual) - USD ($) $ in Thousands | 12 Months Ended
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Mar. 31, 2019 | Mar. 31, 2018 | Mar. 31, 2017
Inventories, Net (Textual) |  |  |
Slow moving inventories | $ 419 | $ 45 | $ 41

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- Definition slow moving inventories during the period. + References No definition available. + Details
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