Quarterly report pursuant to sections 13 or 15(d)

Accounting Policies (Details Textuals)

v2.4.0.6
Accounting Policies (Details Textuals) (USD $)
 3 Months Ended 6 Months Ended
Mar. 31, 2013
Apr. 01, 2012
Mar. 31, 2013
Apr. 01, 2012
Sep. 30, 2012
Accounting Policies [Line Items]          
Increase in Inventory (net of progress billed)     $ 1,484,000 $ 58,000  
Term of contract related to support new periscope orders and M36 production     5 years    
Contract amount in milestone event     8,000,000    
Maximum amount of invoices for milestone event     3,900,000    
Revenue recognized for achieving substantive milestone events 0 123,000 10,000 123,000  
Customer advance deposit balance 3,200,000   3,200,000    
Short term customer advance deposits for next twelve months 1,191,000   1,191,000   776,000
Long term customer advance deposits after March 2014 1,983,000   1,983,000   1,944,000
Customer advance deposit, Contract term 2017        
Unliquidated milestone invoices 3,132,500   3,132,500    
Proceeds from advance customer payments on a separate customer order 41,000        
DDAN contract awarded     $ 8,000,000    
Minimum
          
Accounting Policies [Line Items]          
Delivery Period     3 months    
Maximum
          
Accounting Policies [Line Items]          
Delivery Period     60 months    
Series A Preferred Stock
          
Accounting Policies [Line Items]          
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 1,016 1,027 1,016 1,027  
Stock Options
          
Accounting Policies [Line Items]          
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 48,267,649 48,597,649 48,267,649 48,597,649  
Warrants
          
Accounting Policies [Line Items]          
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 4,547,000 9,948,667 4,547,000 9,948,667