Long-Term Debt (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Sep. 30, 2013
Debt Instrument [Line Items]
Non current maturities	$ 9,139	$ 11,773
Less – current maturities	2,000	4,392
Total long-term debt	7,139	7,381
Revolving credit agreement
Debt Instrument [Line Items]
Non current maturities	3,639	3,381
Term loan
Debt Instrument [Line Items]
Non current maturities	5,500	6,000
Promissory Note
Debt Instrument [Line Items]
Non current maturities	$ 0	$ 2,392