| Short-term Investments (Tables) | 12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mar. 31, 2015 | |||||||||||||||||||||||||||||||||||||||||||||||||
| Short-term Investments [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||
| Short-term investments | 
The following table presents short-term investments as of March 31, 2015, and 2014:
 
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- Definition Tabular disclosure of the components of cash, cash equivalents, and investments. No definition available. 
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| X | ||||||||||
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- References No definition available. 
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