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Summary of Significant Accounting Policies (Details) (USD $)
3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
item
Jun. 30, 2012
Jun. 30, 2013
Contracts Accounted for Under Percentage of Completion
Jun. 30, 2012
Contracts Accounted for Under Percentage of Completion
Jun. 30, 2013
Contracts Accounted for Under Percentage of Completion
Jun. 30, 2012
Contracts Accounted for Under Percentage of Completion
Jun. 30, 2013
Property and equipment except manufacturing facility
Minimum
Jun. 30, 2013
Property and equipment except manufacturing facility
Maximum
Jun. 30, 2013
Corporate airplane and manufacturing facility
Minimum
Jun. 30, 2013
Corporate airplane and manufacturing facility
Maximum
Sep. 30, 2013
Corporate airplane
Summary of Significant Accounting Policies                          
Number of business segments in which the entity operates     1                    
Property and Equipment                          
Estimated useful lives                 3 years 7 years 10 years 39 years  
Depreciation $ 113,000 $ 111,000 $ 330,000 $ 362,000                 $ 0
Impact from revised estimates                          
Change in operating income resulting from revised estimates (285,500) (355,162) (1,880,925) (43,506) 161,000 0 364,000 0          
Long-Lived Assets                          
Impairment charges     0 0                  
Revenue Recognition                          
Minimum number of deliverable for allocating revenue to each deliverable     1                    
Expected loss relating to product designing and services contract     $ 0                    
Engineering Development                          
Percentage of employees who were engineers engaged in various engineering development projects     47.00%