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Common Stock, Options, and Stock Compensation (Details Textuals)
$ in Millions
12 Months Ended
Sep. 30, 2014
USD ($)
class
vote
shares
May. 01, 2010
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Common stock, number of classes | class 2  
Common stock, conversion basis, ratio 1  
Restricted Stock [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Fair value of RSAs to be amortized | $ $ 15.6  
Weighted average period over which costs amortized 2 years  
Common Stock Class B Voting [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Common stock, number of votes 1  
Common Class A [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Common stock, number of votes 0  
2010 Plan [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Available for grant, shares | shares 521,794  
2010 Plan [Member] | Common Class A [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of restricted stock awards authorized | shares   1,575,750
Non-employee directors [Member] | Restricted Stock [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting period 2 years  
Percent of awards vesting on first anniversary of grant date 50.00%  
Percent of awards vesting on second anniversary of grant date 50.00%