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Business and Credit Concentration (Tables)
9 Months Ended
Jun. 30, 2012
Business and Credit Concentration  
Schedule of customers accounted for the specified percentages of gross accounts receivable

 

 
  June 30,
2012
  September 30,
2011
 

Customer A

    16 %   18 %

Customer B

    10 %   11 %

Customer C

    12 %   10 %