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Stockholders' Equity RS Award Activity (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended	12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Granted	7,500	12,500	107,500
Vested	(105,914)	(111,080)	(192,973)
Unvested shares forfeited	0	0	(32,901)
Share outstanding	60,832	159,246	257,826	376,200
Two Thousand Six [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Granted	384,850
Weighted Average Fair Value at Date of Grant	$ 24.78
Vested	258,347
Unvested shares forfeited	126,503
Recognized compensation expense	$ 6,402
Two Thousand Six [Member] | Two Thousand Six 1 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Granted	25,000
Weighted Average Fair Value at Date of Grant	$ 17.36
Vested	25,000
Unvested shares forfeited	0
Recognized compensation expense	434
Two Thousand Seven [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Granted	20,000
Weighted Average Fair Value at Date of Grant	$ 25.08
Vested	20,000
Unvested shares forfeited	0
Recognized compensation expense	502
Two Thousand Seven [Member] | Two Thousand Seven 1 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Granted	4,000
Weighted Average Fair Value at Date of Grant	$ 26.48
Vested	4,000
Unvested shares forfeited	0
Recognized compensation expense	106
Two Thousand Eight [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Granted	101,650
Weighted Average Fair Value at Date of Grant	$ 19.17
Vested	85,750
Unvested shares forfeited	15,900
Recognized compensation expense	1,779
Two Thousand Nine [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Granted	185,100
Weighted Average Fair Value at Date of Grant	$ 8.71
Vested	146,400
Unvested shares forfeited	38,700
Recognized compensation expense	1,344
Two Thousand Ten [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Granted	225,486
Weighted Average Fair Value at Date of Grant	$ 3.64
Vested	147,456
Unvested shares forfeited	78,030
Recognized compensation expense	495
Two Thousand Eleven [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Granted	320,000
Weighted Average Fair Value at Date of Grant	$ 3.39
Vested	240,129
Unvested shares forfeited	73,205
Share outstanding	6,666
Recognized compensation expense	816
Two Thousand Twelve [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Granted	107,500
Weighted Average Fair Value at Date of Grant	$ 2.07
Vested	69,167
Unvested shares forfeited	0
Share outstanding	38,333
Recognized compensation expense	160
Two Thousand Thirteen [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Granted	12,500
Weighted Average Fair Value at Date of Grant	$ 5
Vested	4,167
Unvested shares forfeited	0
Share outstanding	8,333
Recognized compensation expense	24
TwoThousandFourteenMember [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Granted	7,500
Weighted Average Fair Value at Date of Grant	$ 4.6
Vested	0
Unvested shares forfeited	0
Share outstanding	7,500
Recognized compensation expense	$ 1

X

- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 1

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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-Name Accounting Standards Codification

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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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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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