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Long-Term Investments - Additional Information (Detail)	1 Months Ended
	Apr. 30, 2015 shares
Aduro
Investment [Line Items]
Preferred shares converted to common stock	396,700

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- References

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- Definition

Number of shares issued during the period as a result of the conversion of convertible securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 505



-SubTopic 10



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Reference 3: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



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