|
Summary of Significant Accounting Policies (Details) (USD $)
|
12 Months Ended | ||
|---|---|---|---|
|
Sep. 30, 2013
|
Sep. 30, 2012
|
Sep. 30, 2011
|
|
| Short - Term Investments | |||
| Unrealized losses reported in accumulated other comprehensive income | $ 0 | $ 0 | $ 0 |
| Realized losses for sales of investments | $ 0 | $ 0 | $ 15,000 |