| Note 13: Stock-based Compensation (Details 2) (USD $) | 12 Months Ended | |
|---|---|---|
| Sep. 30, 2012 | Sep. 30, 2011 | |
| Stock option activity | ||
| Beginning Balance | 24,013 | |
| Exercised | ||
| Ending Balance | ||
| Exercisable | ||
| Weighted Average Exercise Price | ||
| Beginning Balance | $ 3.64 | |
| Ending Balance | ||
| Exercisable | ||
| Weighted Average Remaining Contractual Life | ||
| Beginning Balance | 9 years 7 months 6 days | |
| Ending Balance | 0 years | |
| Exercisable | 0 years | |
| Aggregate instrinsic Value | ||
| Outstanding | ||
| Exercisable | 
| X | ||||||||||
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- Details 
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| X | ||||||||||
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- Definition Weighted average remaining contractural term beginning balance No definition available. 
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| X | ||||||||||
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- Details 
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| X | ||||||||||
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- Details 
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| X | ||||||||||
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- Definition 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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| X | ||||||||||
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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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| X | ||||||||||
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- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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| X | ||||||||||
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- Definition Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of options outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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| X | ||||||||||
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- Definition The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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| X | ||||||||||
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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| X | ||||||||||
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- Details 
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| X | ||||||||||
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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. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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| X | ||||||||||
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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. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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| X | ||||||||||
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- Definition Number of share options (or share units) exercised during the current period. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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