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Stock Compensation Plans and Stock Based Compensation: Stock Options by Exercise Price (Details) - Stock Options shares in Thousands	6 Months Ended
	Mar. 31, 2016 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Number (shares) | shares	328,180
Options Outstanding, Weighed Average Exercise Price (dollars per share)	$ 8.73
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	7 years 9 months 18 days
Options Exercisable, Number (shares) | shares	102,080
Options Exercisable, Weighted Average Exercise Price (dollars per share)	$ 6.83
Options Exercisable, Weighted Average Remaining Contractual Life (Years)	6 years 6 months
$4.01 - $4.55
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted Average Exercise Price, minimum (dollars per share)	$ 4.01
Weighted Average Exercise Price, maximum (dollars per share)	$ 4.55
Options Outstanding, Number (shares) | shares	30,200
Options Outstanding, Weighed Average Exercise Price (dollars per share)	$ 4.22
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	4 years 9 months 18 days
Options Exercisable, Number (shares) | shares	26,400
Options Exercisable, Weighted Average Exercise Price (dollars per share)	$ 4.26
Options Exercisable, Weighted Average Remaining Contractual Life (Years)	4 years 8 months 12 days
$5.86 - $6.00
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted Average Exercise Price, minimum (dollars per share)	$ 5.86
Weighted Average Exercise Price, maximum (dollars per share)	$ 6.00
Options Outstanding, Number (shares) | shares	58,000
Options Outstanding, Weighed Average Exercise Price (dollars per share)	$ 5.92
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	6 years 6 months
Options Exercisable, Number (shares) | shares	34,400
Options Exercisable, Weighted Average Exercise Price (dollars per share)	$ 5.92
Options Exercisable, Weighted Average Remaining Contractual Life (Years)	6 years 6 months
$9.00
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted Average Exercise Price, minimum (dollars per share)	$ 9.00
Options Outstanding, Number (shares) | shares	91,600
Options Outstanding, Weighed Average Exercise Price (dollars per share)	$ 9.00
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	7 years 7 months 6 days
Options Exercisable, Number (shares) | shares	34,000
Options Exercisable, Weighted Average Exercise Price (dollars per share)	$ 9.00
Options Exercisable, Weighted Average Remaining Contractual Life (Years)	7 years 7 months 6 days
$10.26 - $10.71
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted Average Exercise Price, minimum (dollars per share)	$ 10.26
Weighted Average Exercise Price, maximum (dollars per share)	$ 10.71
Options Outstanding, Number (shares) | shares	148,380
Options Outstanding, Weighed Average Exercise Price (dollars per share)	$ 10.57
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	9 years
Options Exercisable, Number (shares) | shares	7,280
Options Exercisable, Weighted Average Exercise Price (dollars per share)	$ 10.37
Options Exercisable, Weighted Average Remaining Contractual Life (Years)	7 years 9 months 18 days

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The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ 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 (g)
-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
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-Section 50
-Paragraph 2
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-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 stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)-(ii)
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+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-Publisher FASB
-Name Accounting Standards Codification
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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
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