Related Parties And Related Party Transactions (Schedule Of Purchases From Related Parties) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Beijing St. Angel Cultural Communication Co., Ltd. [Member]
Related Party Transaction [Line Items]
Purchases from related parties	$ 118	$ 115	$ 347	$ 345

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration