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5. PATENTS | 12 Months Ended
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Sep. 30, 2013
Accounting Policies [Abstract] |
5. PATENTS | During the years ended September 30, 2013, 2012 and 2011, the Company recorded patent impairment charges of $22,628, $44,921, and $9,016, respectively, for the net book value of patents abandoned during the year. These amounts are included in general and administrative expenses. Amortization expense for the years ended September 30, 2013, 2012 and 2011 totaled $88,207, $86,297, and $84,142, respectively. The total estimated future amortization is as follows:
Year Ending September 30, |  |  |
2014 |  | $ | 33,268 |
2015 |  |  | 33,268 |
2016 |  |  | 33,268 |
2017 |  |  | 33,268 |
2018 |  |  | 32,934 |
Thereafter |  |  | 152,189 |
|  | $ | 318,195 |

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