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Summary of Significant Accounting Policies (Details)
3 Months Ended 9 Months Ended
Jun. 30, 2016
USD ($)
Jun. 30, 2015
USD ($)
Jun. 30, 2016
USD ($)
segment
item
Jun. 30, 2015
USD ($)
Property and Equipment        
Depreciation $ 117,000 $ 138,000 $ 344,000 $ 413,000
Long-Lived Assets        
Impairment charges     $ 0 0
Revenue Recognition        
Minimum number of deliverable for allocating revenue to each deliverable | item     1  
Customer Service Revenue        
Customer Service Sales 1,023,302 772,385 $ 2,702,956 1,928,966
Customer Service Cost of Sales 357,390 266,789 935,995 823,190
Gross Profit $ 665,912 $ 505,596 $ 1,766,961 1,105,776
Engineering Development        
Percentage of employees who were engineers engaged in various engineering development projects     38.00%  
Number of business segments        
Number of business segments in which the entity operates | segment     1  
Warranty        
Length of warranty period     24 months  
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  
Manufacturing facility        
Property and Equipment        
Estimated useful lives     39 years  
Corporate airplane        
Property and Equipment        
Estimated useful lives     10 years  
Depreciation     $ 0 $ 0