Acquisitions (Details)				3 Months Ended
	Feb. 26, 2016 USD ($)	Dec. 31, 2015 USD ($)	Apr. 01, 2015 USD ($) Restaurant $ / shares shares	Mar. 28, 2016 USD ($) $ / shares	Mar. 30, 2015 USD ($)	Dec. 28, 2015 USD ($) $ / shares
Business Acquisition [Line Item]
Common stock, par value (in dollars per share) | $ / shares				$ 0.01		$ 0.01
Fair Value of Assets Acquired and Liabilities Assumed [Abstract]
Goodwill				$ 11,632,000		$ 11,632,000
Mr. Dourney (CEO) [Member]
Fair Value of Assets Acquired and Liabilities Assumed [Abstract]
Gain on settlement	$ 100,000
Hearthstone Associates, LLC [Member]
Business Acquisition [Line Item]
Number of restaurants | Restaurant			13
Common shares issued in Hearthstone merger agreement (in shares) | shares			1,790,993
Fair value of stock issued in Hearthstone merger agreement			$ 4,700,000
Common stock, par value (in dollars per share) | $ / shares			$ 0.01
Fair Value of Assets Acquired and Liabilities Assumed [Abstract]
Accounts receivable			$ 348,000
Inventory			134,000
Prepaid expenses and other current assets			226,000
Property and equipment			3,857,000
Intangible assets			3,100,000
Goodwill			11,435,000
Other long term assets			154,000
Total assets			19,254,000
Accounts payable			1,156,000
Accrued expenses			777,000
Long-term debt			10,821,000
Deferred tax liability			1,835,000
Total liabilities			14,589,000
Purchase price			4,665,000
Amount of goodwill deductible for tax purposes			3,200,000
Indirect transaction cost related to acquisition			$ 200,000
Number of shares held back (in shares) | shares			191,939
Acquired Finite Lived Intangible Assets [Abstract]
Gross Carrying Amount			$ 3,100,000
Proforma revenue					$ 21,000,000
Revenue from the franchise restaurants acquired				$ 4,200,000
Hearthstone Associates, LLC [Member] | FFCC Notes [Member]
Business Acquisition [Line Item]
Repayments of debt		$ 4,300,000
Excess funds in control account		700,000
Debt instrument, prepayment fees		$ 40,000
Cash collateral pledged			5,000,000
Hearthstone Associates, LLC [Member] | Net Favorable Leases [Member]
Acquired Finite Lived Intangible Assets [Abstract]
Gross Carrying Amount			$ 500,000
Hearthstone Associates, LLC [Member] | Net Favorable Leases [Member] | Minimum [Member]
Acquired Finite Lived Intangible Assets [Abstract]
Estimated Lives Useful life			2 years
Hearthstone Associates, LLC [Member] | Net Favorable Leases [Member] | Maximum [Member]
Acquired Finite Lived Intangible Assets [Abstract]
Estimated Lives Useful life			5 years
Hearthstone Associates, LLC [Member] | Reacquired Franchise Rights (Old Locations) [Member]
Acquired Finite Lived Intangible Assets [Abstract]
Estimated Lives Useful life			4 years
Gross Carrying Amount			$ 1,500,000
Hearthstone Associates, LLC [Member] | Reacquired Franchise Rights (New Locations) [Member]
Acquired Finite Lived Intangible Assets [Abstract]
Estimated Lives Useful life			10 years
Gross Carrying Amount			$ 1,100,000