Number of equity compensation plans.

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Represents the ratio of the exercise price for stock options granted in relation to the fair market value of the common stock as of the date that such awards are granted.

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The weighted average market price of restricted stock awards on the date of grant.

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Number of shares authorized for issuance under share-based payment arrangement.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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- Definition

Gross number of share options (or share units) granted during the period.

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No definition available.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Number of shares issued under share-based payment arrangement.

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Percentage of vesting of award under share-based payment arrangement.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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Share-Based Compensation Plans - Additional Information (Detail)	12 Months Ended
	Jun. 30, 2020 USD ($) Plan $ / shares shares	Jun. 30, 2019 USD ($) $ / shares shares	Aug. 15, 2020 shares	Jun. 30, 2018 $ / shares
Share-Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of equity compensation plans \| Plan	2
Percentage of exercise price stock option	100.00%
Share-based compensation expense \| $	$ 2,998,000	$ 4,029,000
Stock options granted	1,219,000	1,172,000
Exercise price \| $ / shares	$ 7.82	$ 9.19		$ 10.93
Grant date fair value \| $ / shares	$ 2.10	$ 2.89
Restricted stock awards vested	3,720,000
Stockholder Owning in Excess of 10% [Member]
Share-Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of exercise price stock option	110.00%
2013 Employee Stock Purchase Plan [Member]
Share-Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share based awards issued	0
Number of shares authorized	128,571
2013 Equity and Incentive Plan [Member]
Share-Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares available for issuance	1,297,930
Stock Options [Member]
Share-Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation expense \| $	$ 2,500,000	$ 3,900,000
Unrecognized compensation expense \| $	3,400,000
Options exercised in intrinsic value \| $	300,000	200,000
Fair value of options vested \| $	$ 2,800,000	3,900,000
Weighted average period of expenses to be recognized	2 years 6 months
Stock Options [Member] \| Maximum [Member]
Share-Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award vesting period	4 years
Stock Options [Member] \| Minimum [Member]
Share-Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award vesting period	3 years
Performance Shares [Member]
Share-Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized compensation expense \| $	$ 22,000
Weighted average period of expenses to be recognized	2 years 1 month 6 days
Restricted Shares Awards [Member]
Share-Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation expense \| $	$ 500,000	$ 100,000
Unrecognized compensation expense \| $	$ 135,000
Restricted stock awards to employees, Granted	175,500
Grant date fair value \| $ / shares	$ 2.56
Restricted stock awards to employees, forfeited	22,500
Restricted stock awards vested			76,500
Weighted average period of expenses to be recognized	1 year 1 month 6 days
Restricted Shares Awards [Member] \| Senior Officer [Member]
Share-Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted stock awards to employees, Granted	2,000	24,000
Weighted average market prices of such restricted stock awards	3.75	4.54
Six Performance Criteria Based Stock Options [Member] \| Senior Executive [Member] \| 2013 Equity and Incentive Plan [Member]
Share-Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock options granted	100,000
Exercise price \| $ / shares	$ 3.91
Expiration period	10 years
Award vesting period	3 years
Six Performance Criteria Based Stock Options [Member] \| Senior Executive [Member] \| 2013 Equity and Incentive Plan [Member] \| Vesting Period One [Member]
Share-Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award vesting rights, percentage	25.00%
Six Performance Criteria Based Stock Options [Member] \| Senior Executive [Member] \| 2013 Equity and Incentive Plan [Member] \| Vesting Period Two [Member]
Share-Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award vesting rights, percentage	75.00%
First Performance Criteria Based Stock Options [Member] \| Senior Executive [Member] \| 2013 Equity and Incentive Plan [Member]
Share-Based Compensation Arrangement By Share Based Payment Award [Line Items]
Grant date fair value \| $ / shares	$ 2.58