XML 21 R29.htm IDEA: XBRL DOCUMENT v2.4.0.6
Summary of Significant Accounting Policies (Details3) (USD $)
12 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2010
Summary Of Significant Accounting Policies Details3      
Initial investment in joint ventures $ 111,000    
Non-utility income from joint venture 238,193      
Investment in joint ventures $ 349,193