Stock repurchased during period value excluding fees and expenses.

No definition available.

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Period Type:	duration

- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
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+ Details

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Balance Type:	debit
Period Type:	duration

- 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.

+ References

No definition available.

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

+ References

No definition available.

+ Details

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- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
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Shareholders' Equity - Additional Information (Detail) - USD ($)				3 Months Ended
	Nov. 14, 2019	Oct. 03, 2019	Dec. 13, 2018	Sep. 30, 2019	Sep. 30, 2018	Oct. 08, 2019	Nov. 29, 2018
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock repurchased during period, shares				359,959
Share-based compensation, amount recognized				$ 28,000	$ 1,000
2011 Director Stock Option Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Options granted				50,000	0
2018 Common Share Repurchase Program [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock repurchased during period, shares			300,000	359,959
Additional shares authorized for purchase			450,000
Stock repurchased during period value excluding fees and expenses				$ 372,000
2018 Common Share Repurchase Program [Member] \| Maximum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares authorized to be repurchased							300,000
2018 Common Share Repurchase Program [Member] \| Subsequent Event [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock repurchased during period, shares		359,959
2019 Common Share Repurchase Program [Member] \| Subsequent Event [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock repurchased during period, shares	0
2019 Common Share Repurchase Program [Member] \| Subsequent Event [Member] \| Maximum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Amount of shares authorized to be repurchased						$ 750,000