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Segment Information (Schedule of Segment Indentifiable Assets by Geographical Area) (Details) - USD ($) $ in Thousands | Mar. 31, 2016 | Mar. 31, 2015
--- | --- | ---
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Total identifiable assets | $ 87,571 | $ 96,439
Goodwill |  |
Total assets | 87,571 | 96,439
CHINA [Member] |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Total identifiable assets | 55,043 | 66,995
Hong Kong And Macao [Member] |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Total identifiable assets | $ 32,528 | $ 29,444

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