Stock-Based Compensation (Narrative) (Details) - USD ($)	6 Months Ended
Mar. 31, 2016	Mar. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	$ 355,000	$ 153,000
Proceeds from stock option exercises	$ 15,000	$ 45,000
Non Statutory Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted, shares	22,686	80,871
Stock options granted, exercise price		$ 7.79
Stock options granted, per-share weighted average fair value		$ 5.85
Non Statutory Stock Options [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted, exercise price	$ 5.29
Stock options granted, per-share weighted average fair value	2.87
Non Statutory Stock Options [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted, exercise price	6.23
Stock options granted, per-share weighted average fair value	$ 4.52
Incentive Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted, shares	54,110	103,955
Stock options granted, exercise price		$ 7.79
Stock options granted, per-share weighted average fair value		$ 5.85
Incentive Stock Option [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted, exercise price	$ 5.29
Stock options granted, per-share weighted average fair value	2.87
Incentive Stock Option [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted, exercise price	6.23
Stock options granted, per-share weighted average fair value	$ 4.52
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted, shares	76,796
Stock options granted, exercise price	$ 5.31
Aggregate Intrinsic Value, Outstanding	$ 497,000
Aggregate Intrinsic Value, Exercisable	363,000
Remaining total unrecognized compensation cost related to unvested stock-based arrangements	$ 957,000
Employee service share-based compensation, nonvested awards, total compensation cost not yet recognized, period for recognition	4 years 7 months 6 days
Stock options exercised, shares	6,864	3,891
Proceeds from stock option exercises	$ 15,000	$ 7,000
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock granted, shares	44,755
Restricted stock granted, weighted average grant date fair value per share	$ 4.18
Vesting period	3 years
Remaining total unrecognized compensation cost related to unvested stock-based arrangements	$ 431,000
Employee service share-based compensation, nonvested awards, total compensation cost not yet recognized, period for recognition	2 years 7 months 6 days

Unrecognized cost of unvested share-based compensation awards.

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (j)
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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-Section 45
-Paragraph 14
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-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
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- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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).

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

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No definition available.

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- Definition

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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- Definition

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

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-Publisher FASB
-Name Accounting Standards Codification
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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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Number of share options (or share units) exercised during the current period.

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-Publisher SEC
-Name Regulation S-X (SX)
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-Section 02
-Paragraph 29, 30
-Article 5

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