XML 25 R37.htm IDEA: XBRL DOCUMENT v3.3.0.814
Investments - Summary of Contingent Consideration (Detail) - Contingent Consideration
12 Months Ended
Sep. 30, 2015
USD ($)
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]  
Expenses recorded due to changes in fair value $ 46,743
Balance at September 30, 2015 $ 46,743