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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
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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% |  |  |  |  |  |  |  |  |  |

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- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 5 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 + Details
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