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Investment in Affiliate (Details) (USD $)
3 Months Ended 6 Months Ended 0 Months Ended 1 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2014
Mar. 31, 2013
Sep. 30, 2013
Apr. 15, 2013
BDFD [Member]
Installment
Apr. 15, 2013
BDFD [Member]
First Installment [Member]
Dec. 31, 2013
BDFD [Member]
Second Installment [Member]
Investments in and Advances to Affiliates [Line Items]                
Subscription agreement for the purchase of Class A Units           4,800    
Ownership interest           48.00%    
Aggregate subscription price           $ 750,000    
Subscription agreement payment             375,000 375,000
Number of installments           2    
Affiliate investment income (expense) (41,000)    (113,000)           
Investment in affiliate $ 535,000   $ 535,000   $ 273,000