Capital Stock (Tables)

12 Months Ended

Dec. 31, 2018

Equity [Abstract]

Summary of Series Preferred Stock

A summary of the conversion by class of preferred stock is summarized as follows (in thousands, except share data):

	Series A					Series B					Series C					Total
	Shares		Amount			Shares		Amount			Shares		Amount			Shares		Amount
Balance at December 31, 2016	7,149,176		$	23,124		2,166,651		$	12,975		9,268,563		$	40,877		18,584,390		$	76,976
Accretion of redeemable convertible preferred stock to redemption value	—		1			—		1			—		3			—		5
Conversion of preferred stock to common stock	(7,149,176	)	(23,125		)	(2,166,651	)	(12,976		)	(9,268,563	)	(40,880		)	(18,584,390	)	(76,981		)
Balance at February 13, 2017	—		$	—		—		$	—		—		$	—		—		$	—