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Stockholders' Equity - Restricted Stock Awards, Restricted Stock Units and Performance-Based Restricted Stock Units - Additional Information (Detail)			12 Months Ended
	Jul. 02, 2019 shares	Aug. 23, 2017 USD ($) Tranche shares	Mar. 31, 2021 shares	Mar. 31, 2020 shares	Apr. 24, 2017 shares
Inducement Award Performance-Based Restricted Stock Unit [Member]
Class Of Stock [Line Items]
Number of tranches \| Tranche		5
Award vesting percentage				100.00%
Grant date fair values of tranches \| $		$ 165,000
Inducement Award Performance-Based Restricted Stock Unit [Member] \| Maximum [Member]
Class Of Stock [Line Items]
Number of shares allocated		10,441
Inducement Award Performance-Based Restricted Stock Unit [Member] \| Share-based Compensation Award, Tranche One [Member]
Class Of Stock [Line Items]
Award vesting percentage		20.00%
Stock units vesting year		2019
Inducement Award Performance-Based Restricted Stock Unit [Member] \| Share-based Compensation Award, Tranche One [Member] \| Minimum [Member]
Class Of Stock [Line Items]
Award vesting percentage		0.00%
Inducement Award Performance-Based Restricted Stock Unit [Member] \| Share-based Compensation Award, Tranche One [Member] \| Maximum [Member]
Class Of Stock [Line Items]
Award vesting percentage		120.00%
Inducement Award Performance-Based Restricted Stock Unit [Member] \| Share-based Compensation Award, Tranche Two [Member]
Class Of Stock [Line Items]
Award vesting percentage		20.00%
Stock units vesting year		2020
Inducement Award Performance-Based Restricted Stock Unit [Member] \| Share-based Compensation Award, Tranche Two [Member] \| Minimum [Member]
Class Of Stock [Line Items]
Award vesting percentage		0.00%
Inducement Award Performance-Based Restricted Stock Unit [Member] \| Share-based Compensation Award, Tranche Two [Member] \| Maximum [Member]
Class Of Stock [Line Items]
Award vesting percentage		120.00%
Inducement Award Performance-Based Restricted Stock Unit [Member] \| Share-based Compensation Award, Tranche Three [Member]
Class Of Stock [Line Items]
Award vesting percentage		20.00%
Stock units vesting year		2021
Inducement Award Performance-Based Restricted Stock Unit [Member] \| Share-based Compensation Award, Tranche Three [Member] \| Minimum [Member]
Class Of Stock [Line Items]
Award vesting percentage		0.00%
Inducement Award Performance-Based Restricted Stock Unit [Member] \| Share-based Compensation Award, Tranche Three [Member] \| Maximum [Member]
Class Of Stock [Line Items]
Award vesting percentage		120.00%
Inducement Award Performance-Based Restricted Stock Unit [Member] \| Share Based Compensation Award Tranche Four [Member]
Class Of Stock [Line Items]
Award vesting percentage		20.00%
Stock units vesting year		2022
Inducement Award Performance-Based Restricted Stock Unit [Member] \| Share Based Compensation Award Tranche Four [Member] \| Minimum [Member]
Class Of Stock [Line Items]
Award vesting percentage		0.00%
Inducement Award Performance-Based Restricted Stock Unit [Member] \| Share Based Compensation Award Tranche Four [Member] \| Maximum [Member]
Class Of Stock [Line Items]
Award vesting percentage		120.00%
Inducement Award Performance-Based Restricted Stock Unit [Member] \| Share Based Compensation Award Tranche Five [Member]
Class Of Stock [Line Items]
Award vesting percentage		20.00%
Stock units vesting year		2020
Share based compensation arrangement, number of shares vested				2,088
Share based compensation arrangement, number of shares forfeited				418
Share based compensation arrangement, number of shares eligible to vest upon future performance				7,935
Share based compensation arrangement amendment description and terms			Based on the amendment to the vesting criteria, the remaining 7,935 units eligible to vest upon future performance were divided into three separate but equal tranches with independent vesting criteria based on the achievement of certain regulatory milestones.
Inducement Award Performance-Based Restricted Stock Unit [Member] \| Share Based Compensation Award Tranche Five [Member] \| Minimum [Member]
Class Of Stock [Line Items]
Award vesting percentage		0.00%
Inducement Award Performance-Based Restricted Stock Unit [Member] \| Share Based Compensation Award Tranche Five [Member] \| Maximum [Member]
Class Of Stock [Line Items]
Award vesting percentage		120.00%
Inducement Award Performance-Based Restricted Stock Unit [Member] \| CEO [Member]
Class Of Stock [Line Items]
Number of shares allocated					10,441
PBRSU Retention Awards [Member] \| Management Team [Member]
Class Of Stock [Line Items]
Number of shares allocated	301,391
Vesting period	24 months		24 months
Shares forfeited due to terminations			111,682
Shares accelerated vesting due to a change in control			177,480
Shares that are expected to vest			12,229