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Convertible Preferred Stock	12 Months Ended
	Dec. 31, 2016
Text Block [Abstract]
Convertible Preferred Stock	8. CONVERTIBLE PREFERRED STOCK On June 24, 2014, prior to the closing of the IPO, all outstanding shares of convertible preferred stock converted into 11,517,222 shares of common stock with the related carrying value of $56.2 million reclassified to common stock and additional paid-in capital.

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- Definition

The entire disclosure for terms, amounts, nature of changes, rights and privileges, dividends, and other matters related to convertible preferred stock.

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