Share-Based Compensation (Tables)

12 Months Ended

Mar. 31, 2020

Share-based Payment Arrangement [Abstract]

Schedule of Weighted Average Assumptions Used for Estimating the Fair Value of Stock Options

The Company estimated the fair value of each time-based stock option on the date of grant using the Black-Scholes closed-form option-pricing model applying the weighted average assumptions in the following table:

	Years Ended March 31,
	2020		2019
Expected share price volatility	78.9	%	85.5	%
Expected risk free interest rate	2.30	%	2.82	%
Expected term, in years	6.13		6.03
Expected dividend yield	—	%	—	%

The Company estimated the grant date fair value of each market-based performance stock option granted during the year ended March 31, 2020 using a Monte Carlo Simulation method under the income approach by applying the following assumptions:

Expected share price volatility	73.6 - 74.3%
Contractual term, in years	10

Schedule of Stock Option Activity

The following table presents a summary of option activity and data under the Company's stock incentive plans through March 31, 2020:

	Number of Options		Weighted Average Exercise Price		Weighted Average Grant Date Fair Value		Weighted Average Remaining Contractual Life	Aggregate Intrinsic Value
Options outstanding at March 31, 2018	1,760,602		$	44.11	$	52.68	8.73	$	1,347,255
Granted	606,599		16.41		11.42
Exercised	(39,130	)	8.57		100.42			242,574
Forfeited	(408,913	)	53.04		53.64
Cancelled	—		—		—
Options outstanding at March 31, 2019	1,919,158		$	34.09	$	49.35	6.86	$	1,569,809
Granted	1,541,672		8.12		4.96
Exercised	(11,778	)	7.20		114.40			2,972
Forfeited	(1,440,317	)	33.99		50.32
Cancelled	—		—		—
Options outstanding at March 31, 2020	2,008,735		$	14.39	$	13.87	8.33	$	—
Options vested and expected to vest at March 31, 2020	2,008,735		$	14.39	$	13.87	8.33	$	—
Options exercisable at March 31, 2020	1,714,955		$	15.16	$	14.60	8.29	$	—

At March 31, 2020, there were vested options to purchase 0.5 million common shares outstanding.

The following table presents a summary of restricted stock unit activity and data under the Company's stock incentive plans through March 31, 2020:

	Number of RSUs		Weighted Average Grant Date Fair Value
RSUs outstanding at March 31, 2019	—		$	—
Granted	369,577		7.50
Vested and settled	(103,294	)	7.77
Forfeited	(18,420	)	7.77
RSUs outstanding at March 31, 2020	247,863		$	7.37