Minimum percent of outstanding common stock granted to employees.

No definition available.

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- Definition

Options award expiry period for employees owning ten percent or more shares.

+ References

No definition available.

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- Definition

Restricted stock restriction period.

+ References

No definition available.

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- Definition

Share based compensation arrangement by share based payment award equity instruments other than options grants in period grant date fair value.

+ References

No definition available.

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- Definition

Share based compensation arrangement by share based payment award equity instruments other than options, issued in period, grant date fair value.

+ References

No definition available.

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- Definition

Share based compensation arrangement by share based payment award expiration month and year.

+ References

No definition available.

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- 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
-Subparagraph (b)
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-Publisher FASB
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-Topic 718
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-Section S99
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- Definition

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

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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- Definition

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.

+ References

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- Definition

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).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

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).

+ References

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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.

+ References

No definition available.

+ Details

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- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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-Paragraph 2
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- Definition

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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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

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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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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-Paragraph 2
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- Definition

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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-Paragraph 2
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- Definition

Purchase price of common stock expressed as a percentage of its fair value.

+ References

No definition available.

+ Details

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- Details

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- Details

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Stockholders' Equity - Additional Information (Details) - USD ($)	12 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2017
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock options outstanding	165,600	190,100	201,800
Intrinsic value of nonqualified stock options exercised	$ 100,000	$ 41,000
Stock-based compensation expense	2,300,000	$ 2,300,000
Unrecognized compensation expense	$ 8,000
Expected period for recognition of unrecognized compensation expense	1 month 6 days
Restricted Stock Awards (RSAs)
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares issued	8,000	176,450
Weighted average grant date fair value of the restricted stock issued	$ 14.59	$ 15.13
Unrecognized compensation expense	$ 2,200,000
Expected period for recognition of unrecognized compensation expense	2 years
Restricted Stock Units (RSUs)
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares issued	161,800
Weighted average grant date fair value of the restricted stock issued	$ 15.17
Unrecognized compensation expense	$ 1,700,000
Expected period for recognition of unrecognized compensation expense	3 years 2 months 12 days
1997 Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock reserved for issuance	2,250,000
Expiration date	2017-11
Common stock available for issuance	0
Stock options outstanding	45,000
2014 Long Term Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock reserved for issuance	1,500,000
Percent of outstanding common stock granted to employees	10.00%
Exercise price of stock option granted to employees	110.00%
Common stock available for issuance	477,015
2014 Long Term Incentive Plan \| Restricted Stock Awards (RSAs)
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares issued	8,000	176,450
Weighted average grant date fair value of the restricted stock issued	$ 14.59	$ 15.13
Grant date fair value of restricted stock issued	$ 100,000	$ 2,700,000
Restricted stock restriction period	4 years	4 years
2014 Long Term Incentive Plan \| Restricted Stock Units (RSUs)
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares issued	161,800
Weighted average grant date fair value of the restricted stock issued	$ 15.11
Restricted stock restriction period	4 years
Grant date fair value of restricted stock	$ 2,400,000
2014 Long Term Incentive Plan \| Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Options have a term	10 years
Outstanding shares of common stock granted to employees expiry term	5 years