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Accounts Receivable (Schedule of Components of Accounts Receivable) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Sep. 30, 2014
Receivables [Abstract]    
Accounts receivable $ 14,971us-gaap_AccountsReceivableGross $ 12,252us-gaap_AccountsReceivableGross
Accounts receivable – unbilled 620us-gaap_UnbilledContractsReceivable 633us-gaap_UnbilledContractsReceivable
Accounts receivable, gross 15,591us-gaap_AccountsReceivableGrossCurrent 12,885us-gaap_AccountsReceivableGrossCurrent
Allowance for doubtful accounts (275)us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent (116)us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent
Accounts receivable, net $ 15,316us-gaap_AccountsReceivableNetCurrent $ 12,769us-gaap_AccountsReceivableNetCurrent