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Summary of Significant Accounting Policies (Details 6)
12 Months Ended
Sep. 30, 2014
plan
Original option plan August 2004
 
Stock-Based Compensation  
Number of shares of common stock reserved for issuance 1,000,000
Second option plan January 2007
 
Stock-Based Compensation  
Number of shares of common stock reserved for issuance 500,000
Restricted Stock Plan
 
Stock-Based Compensation  
Number of shares of common stock reserved for issuance 400,000
Stock Option Plans
 
Stock-Based Compensation  
Number of shares of common stock reserved for issuance 1,500,000
Number of plans 2
Period during which options are exercisable 10 years
Vesting of awards per year (as a percent) 33.33%
Award vesting period 3 years