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Income Taxes (Details Textual) (USD $)
12 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Deferred Tax Assets, Inventory $ 3,871,521  
Effective Income Tax Rate, Continuing Operations 38.00%  
Income Tax Reconciliation, Deductions 1,471,178  
Deferred Tax Assets, Net 1,599,760  
Undistributed Earnings of Foreign Subsidiaries 1,429,000  
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration 968,314  
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate 34.00%  
Research and Development Expense [Member]
   
Tax Credit Carryforward, Amount 311,275  
European Subsidiary [Member]
   
Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest 756,241 327,577
International Operations [Member]
   
Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest $ 2,848,072 $ 5,975,340