Long-Term Equity Incentive Plans - Schedule of Changes in Outstanding Stock Options and Outstanding SARs (Details) - USD ($)	12 Months Ended
Sep. 30, 2018	Sep. 30, 2017
Number of Options and SARs Outstanding, beginning balance	455,733	536,230
Number of Options and SARs, granted
Number of Options and SARs, exercised
Number of Options and SARs, forfeited	(148,291)	(80,497)
Number of Options and SARs Outstanding, ending balance	307,442	455,733
Number of Options and SARs, Exercisable	295,192
Weighted Average Exercise Price Options and SARs Outstanding, beginning balance	$ 3.39	$ 3.31
Weighted Average Exercise Price Options and SARs, granted
Weighted Average Exercise Price Options and SARs, exercised
Weighted Average Exercise Price Options and SARs, forfeited	3.76	2.86
Weighted Average Exercise Price Options and SARs Outstanding, ending balance	3.19	$ 3.39
Weighted Average Exercise Price Options and SARs, Exercisable	$ 3.26
Weighted Average Remaining Contractual Term (in years) Options and SARs, Outstanding ending	3 years 2 months 12 days
Weighted Average Remaining Contractual Term (in years) Options and SARs, Exercisable ending	3 years
Aggregate Intrinsic Value Options and SARs, Outstanding
Aggregate Intrinsic Value Options and SARs, Exercisable
Stock Appreciation Rights (SARs) [Member]
Number of Options and SARs Outstanding, beginning balance	80,796	80,796
Number of Options and SARs, granted
Number of Options and SARs, exercised
Number of Options and SARs, forfeited	(80,796)
Number of Options and SARs Outstanding, ending balance		80,796
Number of Options and SARs, Exercisable
Weighted Average Exercise Price Options and SARs Outstanding, beginning balance	$ 3.08	$ 3.08
Weighted Average Exercise Price Options and SARs, granted
Weighted Average Exercise Price Options and SARs, exercised
Weighted Average Exercise Price Options and SARs, forfeited	3.08
Weighted Average Exercise Price Options and SARs Outstanding, ending balance		$ 3.08
Weighted Average Exercise Price Options and SARs, Exercisable
Weighted Average Remaining Contractual Term (in years) Options and SARs, Outstanding ending	0 years
Weighted Average Remaining Contractual Term (in years) Options and SARs, Exercisable ending	0 years
Aggregate Intrinsic Value Options and SARs, Outstanding
Aggregate Intrinsic Value Options and SARs, Exercisable

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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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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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of share options (or share units) exercised during the current period.

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