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Other Assets: | 12 Months Ended
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Sep. 30, 2014
Other assets: |
Other assets: | 8. Other Assets: Other assets consist of the following:
|  | September 30, |  | September 30, |
|  | 2014 |  | 2013 |
Intangible assets, net of accumulated amortization of $499,837 and $495,037 at September 30, 2014 and September 30, 2013 |  | $ | 100,400 |  | $ | 105,200 |
Other non-current assets |  | 10,448 |  | 116,333 |
|  | $ | 110,848 |  | $ | 221,533 |
Intangible assets consist of licensing and certification rights which are amortized over a defined number of units. No impairment charges were recorded in fiscal 2014, 2013 or 2012. Total intangible amortization expense was approximately $5,000 in fiscal year 2014 and $0.1 million in each of fiscal years 2013 and 2012. The timing of future amortization expense is not determinable because the intangible assets are being amortized over a defined number of units. Other non-current assets as of September 30, 2014 include the security deposit and advance payment of the last month’s rent due under an operating lease for the property located at 180 Gordon Drive, Exton, PA. As of September 30, 2013, the other non-current assets consisted of advanced payments made to vendors to secure end-of-life purchases of materials that were not expected to be applied during the next twelve months.

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