Consolidated Statements of Net Loss and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
OPERATING EXPENSES
Research and development	$ 14,494	$ 8,293	$ 27,005	$ 14,497
General and administrative	4,140	1,965	7,882	3,240
Total operating expenses	18,634	10,258	34,887	17,737
Loss from operations	(18,634)	(10,258)	(34,887)	(17,737)
OTHER INCOME/(EXPENSES)
Interest and other income/(expenses)	598	(47)	917	(51)
NET LOSS	(18,036)	(10,305)	(33,970)	(17,788)
Other comprehensive income/(loss)
Foreign currency translation	(66)	78	(10)	81
COMPREHENSIVE LOSS	$ (18,102)	$ (10,227)	$ (33,980)	$ (17,707)
Net loss per share attributable to common stockholders, basic and diluted	$ (0.53)	$ (0.39)	$ (0.99)	$ (0.66)
Weighted average common shares outstanding, basic and diluted	34,193,666	26,749,666	34,193,666	26,749,666

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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