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Accounts Receivable
3 Months Ended
Mar. 31, 2012
Accounts Receivable [Abstract]  
Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]
Accounts Receivable

Accounts receivable is stated net of an allowance for uncollectible accounts of $1,101,000 and $1,089,000 as of March 31, 2012 and September 30, 2011, respectively.