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Stock Compensation Plans: Stock Options by Exercise Price (Details) (Stock Options, USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Sep. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Number	221,400
Options Outstanding, Weighted Average Exercise Price	$ 7.49
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	8 years 3 months 18 days
Options Exercisable, Number	43,800
Options Exercisable, Weighted Average Exercise Price	$ 5.06
Options Exercisable, Weighted Average Remaining Contractual Life (Years)	6 years 10 months 24 days
$4.01 - $4.55
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Number	37,700
Options Outstanding, Weighted Average Exercise Price	$ 4.26
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	6 years 2 months 12 days
Options Exercisable, Number	23,600
Options Exercisable, Weighted Average Exercise Price	$ 4.34
Options Exercisable, Weighted Average Remaining Contractual Life (Years)	5 years 10 months 24 days
$5.86 - $6.00
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Number	61,700
Options Outstanding, Weighted Average Exercise Price	$ 5.92
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	8 years
Options Exercisable, Number	20,200
Options Exercisable, Weighted Average Exercise Price	$ 5.90
Options Exercisable, Weighted Average Remaining Contractual Life (Years)	8 years
$9.00 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Number	96,000
Options Outstanding, Weighted Average Exercise Price	$ 9.00
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	9 years 1 month 6 days
Options Exercisable, Number	0
$10.26 - $10.59 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Number	26,000
Options Outstanding, Weighted Average Exercise Price	$ 10.34
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	9 years 3 months 18 days
Options Exercisable, Number	0

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- Definition

Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.

+ 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 (c)(1)(iii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

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

+ 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 (e)(2)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.

+ 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 (c)(iii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

+ 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 (c)(1)(i)-(ii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.

+ 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 (c)(1)(i)-(ii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

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

+ 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 (e)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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