| Note 5: Stock-based Compensation (Details) (USD $) | 9 Months Ended | 
|---|---|
| Jun. 30, 2012 | |
| Stock option activity | |
| Beginning Balance | 24,013 | 
| Exercised | |
| Ending Balance | 10,526 | 
| Exercisable june 30,2012 | 10,526 | 
| Weighted Average Exercise Price | |
| Beginning Balance | $ 3.64 | 
| Forfeited | $ 3.53 | 
| Ending Balance | $ 3.77 | 
| Exercisable | $ 3.77 | 
| Weighted Average Remaining Contractual Life | |
| Ending Balance | 8 years 10 months 8 days | 
| Exercisable | 8 years 10 months 8 days | 
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