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Long-Term Debt (Detail) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Sep. 30, 2013
Debt Instrument [Line Items]    
Non current maturities $ 6,634 $ 11,773
Less – current maturities 2,000 4,392
Total long-term debt 4,634 7,381
Revolving credit agreement
   
Debt Instrument [Line Items]    
Non current maturities 1,634 3,381
Term loan
   
Debt Instrument [Line Items]    
Non current maturities 5,000 6,000
Promissory Note
   
Debt Instrument [Line Items]    
Non current maturities $ 0 $ 2,392