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Trade Accounts and Other Non-Trade Receivables (Details) (USD $)
Jun. 30, 2012
Sep. 30, 2011
Trade receivables $ 7,396,438 $ 7,893,923
Allowance for doubtful accounts (352,123) (423,773)
Sales reserve (4,011,551) (3,761,454)
Net trade receivables 3,032,764 3,708,696
Receivable from contract manufacturers 608,331 2,030,251
GST and VAT tax receivables 214,138 298,303
Other 68,482 79,772
Total other non trade receivables $ 890,951 $ 2,408,326