Annual report pursuant to section 13 and 15(d)

Commitments and Contingencies (Details)

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Commitments and Contingencies (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2011
Operating Leases      
Total rent expense $ 1,182 $ 1,256 $ 856
Future minimum rental payments under non-cancelable operating leases are as follows:      
2014 600    
2015 573    
2016 529    
2017 124    
2018       
Total 1,826    
Indemnification Agreement [Member] | Executive Officers [Member]
     
Loss Contingencies [Line Items]      
Period of employment 18 months    
Estimated potential payments 1,071    
Indemnification Agreement [Member] | Key Employees [Member]
     
Loss Contingencies [Line Items]      
Number of individuals 22    
Period of employment 18 months    
Estimated potential payments 1,600    
Financial Standby Letter of Credit [Member]
     
Letters of Credit      
Potential liability $ 200 $ 200