Condensed Consolidated Statement of Stockholders’ Equity - 9 months ended Sep. 30, 2017 - USD ($) shares in Thousands, $ in Thousands	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss	Total
Balance at the beginning of the period at Dec. 31, 2016	$ 10	$ 88,406	$ (20,291)	$ (27)	$ 68,098
Balance at the beginning of the period (in shares) at Dec. 31, 2016	95,680				95,900
Increase (decrease) in equity
Pre-merger equity issuance		20,100			$ 20,100
Pre-merger equity issuance (in shares)	2,810
Reverse recapitalization	$ 1	26,773			26,774
Reverse recapitalization (in shares)	6,759
Issuance of common stock		10,000			10,000
Issuance of common stock (in shares)	1,026
Equity issuance costs		(6,295)			(6,295)
Share-based compensation		8,830			8,830
Other comprehensive loss				9	9
Net loss			(18,998)		(18,998)
Balance at the end of the period at Sep. 30, 2017	$ 11	$ 147,814	$ (39,289)	$ (18)	$ 108,518
Balance at the end of the period (in shares) at Sep. 30, 2017	106,275				106,300