v3.10.0.1

BASIS OF PRESENTATION (ASC 606) (Details) - USD ($)	3 Months Ended	6 Months Ended
	Jul. 01, 2018	Jul. 01, 2018	Jan. 02, 2018	Jan. 01, 2018	Dec. 31, 2017
Cumulative effects of adoption of ASU 2014-09
Deferred tax asset	$ 6,402,000	$ 6,402,000	$ 6,402,000		$ 5,823,000
Other current liabilities	2,586,000	2,586,000	3,342,000		3,118,000
Other liabilities	5,099,000	5,099,000	6,040,000		3,963,000
Retained earnings	12,619,000	12,619,000	$ 10,229,000		11,951,000
Revenue from contract with customer
Gift cards payable	865,000	865,000			$ 1,000,000
Change in contract liabilities
Beginning balance, January 1, 2018		2,370,000
Revenue recognized		(112,000)
Ending balance, April 1, 2018	2,258,000	2,258,000
Estimated future revenues expected to be recognized for performance obligations
Revenue expected to be recognized as of April 1, 2018	2,258,000	$ 2,258,000
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2018-07-02
Estimated future revenues expected to be recognized for performance obligations
Revenue, remaining performance obligation, expected timing of satisfaction, period		6 months
Revenue expected to be recognized as of April 1, 2018	113,000	$ 113,000
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2018-12-31
Estimated future revenues expected to be recognized for performance obligations
Revenue, remaining performance obligation, expected timing of satisfaction, period		12 months
Revenue expected to be recognized as of April 1, 2018	225,000	$ 225,000
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-12-30
Estimated future revenues expected to be recognized for performance obligations
Revenue, remaining performance obligation, expected timing of satisfaction, period		12 months
Revenue expected to be recognized as of April 1, 2018	218,000	$ 218,000
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-01-04
Estimated future revenues expected to be recognized for performance obligations
Revenue, remaining performance obligation, expected timing of satisfaction, period		12 months
Revenue expected to be recognized as of April 1, 2018	206,000	$ 206,000
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-03
Estimated future revenues expected to be recognized for performance obligations
Revenue, remaining performance obligation, expected timing of satisfaction, period		12 months
Revenue expected to be recognized as of April 1, 2018	190,000	$ 190,000
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-02
Estimated future revenues expected to be recognized for performance obligations
Revenue, remaining performance obligation, expected timing of satisfaction, period
Revenue expected to be recognized as of April 1, 2018	1,306,000	$ 1,306,000
Accounting Standards Update 2014-09 [Member] | Difference between Revenue Guidance in Effect before and after Topic 606 [Member]
Cumulative effects of adoption of ASU 2014-09
Deferred tax asset				$ 579,000
Other current liabilities				224,000
Other liabilities				2,077,000
Retained earnings				$ (1,722,000)
Gift Cards
Revenue from contract with customer
Revenue from contract with customer	68,000	176,000
Gift cards payable	865,000	865,000
Franchise Royalty and Fees
Revenue from contract with customer
Revenue from contract with customer	$ 56,000	$ 112,000

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