Condensed Consolidated Statements of Operations - USD ($) $ in Thousands		3 Months Ended
		Jun. 30, 2018	Jun. 30, 2017
Operating expenses:
Research and development	[1]	$ 51,341	$ 17,708
General and administrative	[2]	8,742	4,182
Total operating expenses		60,083	21,890
Interest expense		1,617	0
Other expense		289	342
Loss before income taxes		(61,989)	(22,232)
Income tax expense		145	1,085
Net loss		$ (62,134)	$ (23,317)
Net loss per common share — basic and diluted (in USD per share)		$ (0.98)	$ (0.39)
Weighted average common shares outstanding — basic and diluted (in shares)		63,310,177	59,247,273
Research and development
Costs allocated from RSL, RSI, and RSG		$ 2,188	$ 538
General and administrative
Costs allocated from RSL, RSI, and RSG		$ 1,225	$ 815

[1] Includes $2,188 and $538 of costs allocated from RSL, RSI, and RSG during the three months ended June 30, 2018 and 2017, respectively. Also includes share-based compensation expense (see Note 8(D)).

[2] Includes $1,225 and $815 of costs allocated from RSL, RSI, and RSG during the three months ended June 30, 2018 and 2017, respectively. Also includes share-based compensation expense (see Note 8(D)).