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Summary of Significant Accounting Policies: (Details) | 12 Months Ended
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Sep. 30, 2015 USD ($) item | Sep. 30, 2014 USD ($) | Sep. 30, 2013 USD ($)
Property and Equipment |  |  |
Depreciation | $ 600,000 | $ 600,000 | $ 500,000
Long-Lived Assets |  |  |
Impairment charges | $ 0 | 0 | $ 0
Revenue Recognition |  |  |
Minimum number of deliverable for allocating revenue to each deliverable | item | 1 |  |
Customer Service Revenue |  |  |
Customer Service Sales | $ 2,612,626 | 2,432,675 |
Customer Service Cost of Sales | 1,096,332 | 1,152,549 |
Gross Profit | 1,516,294 | 1,280,126 |
Inventories valuation |  |  |
Raw materials | 3,346,778 | 4,389,334 |
Work-in-process | 745,311 | 905,529 |
Finished goods | 505,227 | 175,923 |
Inventory, Net, Total | $ 4,597,316 | $ 5,470,786 |
Property and equipment except corporate airplane and manufacturing facility | Minimum |  |  |
Property and Equipment |  |  |
Estimated useful lives | 3 years |  |
Property and equipment except corporate airplane and manufacturing facility | Maximum |  |  |
Property and Equipment |  |  |
Estimated useful lives | 7 years |  |
Corporate airplane |  |  |
Property and Equipment |  |  |
Depreciation | $ 0 |  |
Manufacturing facility |  |  |
Property and Equipment |  |  |
Estimated useful lives | 39 years |  |

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