Retirement Benefit Plans (Details Textual) (USD $)	12 Months Ended
Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2014 Forecast [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Curtailments	$ 252,000	$ 0
Retirement Benefit Plans (Textual) [Abstract]
Employer contributions	786,000	1,015,000	546
Amortization period of losses utilized under pension fund (in years)	30 years
Percentage of non-discretionary regular matching contribution of company	(100.00%)
Percentage of eligible compensation of deferral contribution, minimum	(1.00%)
Percentage of eligible compensation	(80.00%)
Percentage of deferral contribution	(1.00%)
Percentage of eligible compensation of deferral contribution, maximum	(6.00%)
Matching contribution expense for defined contribution plan	504,000	429,000
Additional discretionary matching contribution expense	$ 253,000	$ 54,000

Amortization period of losses utilized under pension fund.

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Percentage of deferral participant contribution.

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Percentage of eligible compensation for deferral participant contribution.

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Percentage of eligible compensation of deferral contribution, maximum.

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Percentage of eligible compensation of deferral contribution minimum.

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- Definition

The increase in the fair value of plan assets from contributions made by the employer.

+ References

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-Name Statement of Financial Accounting Standard (FAS)

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- Definition

The amount of decrease that is related to an event that significantly reduces the expected years of future service of present employees or eliminates for a significant number of employees the accrual of defined benefits for some or all of their future services.

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- Definition

The amount of the cost recognized during the period for defined contribution plans.

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Amount of discretionary contributions made by an employer to a defined contribution plan.

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Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

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