XML 11 R39.htm IDEA: XBRL DOCUMENT v2.4.0.6
Fair Value Measurements (Details) (Recurring, USD $)
Jun. 30, 2012
Sep. 30, 2011
Jun. 30, 2011
Fair Value
     
Available-for-sale securities $ 2,188,414 $ 2,267,268 $ 2,402,992
Quoted Prices In Active Markets for Identical Assets/Liabilities (Level 1)
     
Available-for-sale securities 2,188,414 2,267,238 2,402,992
Level 2
     
Available-for-sale securities 0 0 0
Level 3
     
Available-for-sale securities $ 0 $ 0 $ 0