Stock-Based Compensation (Summary of Stock Option Activity under Share Based Compensation Plan) (Details) (USD $)	6 Months Ended
Mar. 31, 2015
Shares
Options exercised	22,550
Weighted Average Exercise Price
Options granted	$ 7.79
Stock Options [Member]
Shares
Outstanding-beg of year	396,910
Options granted	184,826
Options exercised	(22,548)
Forfeited	0
Expired	(11,853)
Outstanding Mar 31, 2015	547,333
Exercisable Mar 31, 2015	162,586
Weighted Average Exercise Price
Outstanding-beg of year	$ 3.87
Options granted
Options exercised	$ 2.01
Forfeited
Expired	$ 9.33
Outstanding Mar 31, 2015	$ 5.15
Exercisable Mar 31, 2015	$ 5.56
Weighted Average Remaining Contractual Life (Yrs.)
Outstanding Mar 31, 2015	7 years 9 months 18 days
Exercisable Mar 31, 2015	5 years

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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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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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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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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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No definition available.

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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 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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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 of the plan that expired.

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

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