Quarterly report pursuant to Section 13 or 15(d)

Contingencies and Commitments (Details)

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Contingencies and Commitments (Details) (USD $)
 3 Months Ended 6 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Mar. 31, 2013
Mar. 31, 2012
Long Term Commitments [Line Items]        
Expected earn-out liability $ 870,000   $ 870,000  
Leases [Abstract]        
Rent expense 278,000 224,000 555,000 445,000
Minimum initial terms of payments due under non-cancelable lease agreements     1 year  
Future minimum lease payments [Abstract]        
Future minimum lease payments, total 2,322,000   2,322,000  
Future minimum lease payments on fiscal year 2013 527,000   527,000  
Future minimum lease payments on fiscal year 2014 763,000   763,000  
Future minimum lease payments on fiscal year 2015 521,000   521,000  
Future minimum lease payments on fiscal year 2016 236,000   236,000  
Future minimum lease payments on fiscal year Thereafter 275,000   275,000  
Minimum [Member]
        
Leases [Abstract]        
Leased period of branch offices     3 years  
Maximum [Member]
        
Leases [Abstract]        
Leased period of branch offices     5 years  
Subsequent Event [Member]
        
Long Term Commitments [Line Items]        
Additional contingent consideration (in shares)     1,100,000  
Additional contingent consideration     320,000  
Subsequent Event [Member] | Minimum [Member]
        
Long Term Commitments [Line Items]        
Cash payment of contingent consideration     550,000  
Subsequent Event [Member] | Maximum [Member]
        
Long Term Commitments [Line Items]        
Cash payment of contingent consideration     $ 650,000