Long-Term Debt (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Sep. 30, 2013
Debt Instrument [Line Items]
Non current maturities	$ 6,504	$ 11,773
Less – current maturities	2,000	4,392
Total long-term debt	4,504	7,381
Revolving credit agreement
Debt Instrument [Line Items]
Non current maturities	2,004	3,381
Term loan
Debt Instrument [Line Items]
Non current maturities	4,500	6,000
Promissory Note
Debt Instrument [Line Items]
Non current maturities	$ 0	$ 2,392