| Note 13: Stock-based Compensation (Details 1) (USD $) | 12 Months Ended | |
|---|---|---|
| Sep. 30, 2012 | Sep. 30, 2011 | |
| Volatility | ||
| Risk-free interest rate | ||
| Expected term | 0 years | |
| Forfeiture rate | ||
| Dividend yield rate | $ 0.00 | |
| Minimum | ||
| Volatility | 107.00% | |
| Risk-free interest rate | 1.80% | |
| Expected term | 5 years | |
| Forfeiture rate | 0.00% | |
| Maximum | ||
| Volatility | 108.00% | |
| Risk-free interest rate | 2.80% | |
| Expected term | 6 years 4 months 24 days | |
| Forfeiture rate | 50.00% | |
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- Definition Forfeiture rate No definition available. 
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- Definition Period the instrument, asset or liability is expected to be outstanding, 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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- Definition Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Risk-free interest rate assumption used in valuing an instrument. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Weighted average expected dividend for an entity using a valuation technique with different dividend rates during the contractual term. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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