Basis of Presentation - Additional Information (Detail) (USD $)	3 Months Ended	9 Months Ended		12 Months Ended
	Jun. 30, 2012	Jun. 30, 2012 Restaurant	Jun. 30, 2011	Sep. 30, 2011 Restaurant
Significant Accounting Policies [Line Items]
Number of restaurants closed		2		2
Losses in connection with the sales of restaurants and their combined operating losses		$ (153,000)		$ (275,000)
Other income (expense)	(1,000)	(14,000)	23,000
Lease liability			$ 86,000