| 4. Stock-based Compensation (Details Narrative) (USD $) | 3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
| Mar. 31, 2014 | Mar. 31, 2013 | Mar. 31, 2014 | Mar. 31, 2013 | |
| Stock based compensation expense | $ 39,985 | $ 32,008 | $ 105,860 | $ 32,008 | 
| Stock Options | ||||
| Unrecognized compensation expense | $ 162,208 | $ 162,208 | ||
| Unrecognized weighted-average period | 1 year 7 months 17 days | |||
| X | ||||||||||
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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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| X | ||||||||||
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- Definition Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, 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 Unrecognized cost of unvested options awarded to employees as compensation. No definition available. 
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