Recent Developments - Additional Information (Detail) (USD $)	9 Months Ended	12 Months Ended	9 Months Ended		1 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended		1 Months Ended	9 Months Ended
	Jun. 30, 2012 Restaurant	Sep. 30, 2011 Restaurant	Jun. 30, 2012 Securities Purchase Agreement	Jun. 30, 2012 Securities Purchase Agreement Series C Preferred Stock	Jul. 09, 2012 Subsequent Event PFGI II LLC Note	Dec. 31, 2011 Amendments	Jun. 30, 2012 Amendments	Dec. 31, 2011 Company-Owned Restaurants Restaurant	Jun. 30, 2012 Company-Owned Restaurants Restaurant	Dec. 31, 2011 Company-Owned Restaurants Wells Fargo Bank	Jul. 09, 2012 Company-Owned Restaurants Subsequent Event Restaurant	Jun. 30, 2012 Franchisee Restaurant
Recent Developments [Line Items]
Issuance of shares to Investors				473,934
Preferred Stock, par value	$ 0.01	$ 0.01		$ 0.001
Issue price per share				$ 4.22
Issuance amount of shares to Investors				$ 2,000,001
Number of common stock issued per preferred stock			2
Common stock, par value	$ 0.001	$ 0.001	$ 0.001
Investment transaction closing date			Sep. 30, 2012
Number of restaurants sold								1	2		1
Proceeds from sale of business								305,000			605,000
Gain on sale of restaurants								9,000			80,000
Prepayment of principal										100,000
Conditional prepayment of principal					300,000
Proceeds from leaseback transaction									1,400,000
Payment of notes payable	1,334,000
Credit agreement, initiation date							Dec. 10, 2010
Covenant requirements, tangible net worth							2,500,000
Notes payable to bank	$ 320,000					$ 349,000	$ 276,000
Maturity date						Dec. 31, 2013
Number of restaurants closed	2	2										1