Convertible Preferred Stock (Tables)

12 Months Ended

Dec. 31, 2016

Equity [Abstract]

Schedule of Convertible Preferred Stock

Convertible preferred stock consisted of the following as of December 31, 2015 (in thousands, except share amounts):

	December 31, 2015
	Preferred Stock Authorized		Preferred Stock Issued and Outstanding		Liquidation Preference		Carrying Value		Common Stock Issuable Upon Conversion
Series A convertible preferred stock		2,172,524		2,172,520	$	11,406	$	13,573		2,172,520
Series B convertible preferred stock		5,008,210		4,999,976	$	44,625	$	44,738		4,999,976