Share-Based Compensation (Tables)

6 Months Ended

Sep. 30, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of Stock Option Activity

A summary of option activity under the Company’s 2016 Plan is as follows:

	Number of Options
Options outstanding at March 31, 2018	3,549,405
Granted	1,710,760
Exercised	(73,989	)
Forfeited	(70,682	)
Options outstanding at September 30, 2018	5,115,494
Options vested and expected to vest at September 30, 2018	5,115,494
Options exercisable at September 30, 2018	1,195,945

Summary of Restricted Share Awards and Restricted Stock Units Activity

A summary of restricted share award and restricted stock unit activity under the Company’s 2016 Plan is as follows:

	Number of Shares
Unvested balance at March 31, 2018	1,213,735
Vested	(143,528	)
Unvested balance at September 30, 2018	1,070,207

Schedule of Share-based Compensation

Share-based compensation expense was as follows (in thousands):

	Three Months Ended September 30,
	2018		2017
Share-based compensation expense recognized as:
R&D expenses	$	1,846	$	679
G&A expenses	2,879		2,070
Total	$	4,725	$	2,749

	Six Months Ended September 30,
	2018		2017
Share-based compensation expense recognized as:
R&D expenses	$	3,407	$	1,539
G&A expenses	5,562		3,411
Total	$	8,969	$	4,950