v3.21.1

NATURE OF BUSINESS AND SIGNIFICANT ACCOUNTING POLICIES - Revenue Recognition (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 03, 2021	Dec. 29, 2019
Change in contract liabilities
Beginning balance	$ 1,318	$ 1,998
Revenue recognized	(417)	(680)
Ending balance	901	$ 1,318
Estimated future revenues expected to be recognized for performance obligations
Revenue expected to be recognized	901
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 expected to be recognized	$ 95
Revenue, remaining performance obligation, expected timing of satisfaction, period	12 months
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 expected to be recognized	$ 95
Revenue, remaining performance obligation, expected timing of satisfaction, period	12 months
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 expected to be recognized	$ 95
Revenue, remaining performance obligation, expected timing of satisfaction, period	12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01
Estimated future revenues expected to be recognized for performance obligations
Revenue expected to be recognized	$ 91
Revenue, remaining performance obligation, expected timing of satisfaction, period	12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-12-30
Estimated future revenues expected to be recognized for performance obligations
Revenue expected to be recognized	$ 84
Revenue, remaining performance obligation, expected timing of satisfaction, period	12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-12-29
Estimated future revenues expected to be recognized for performance obligations
Revenue expected to be recognized	$ 441
Revenue, remaining performance obligation, expected timing of satisfaction, period
Customer loyalty program
Change in contract liabilities
Ending balance	$ 124

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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
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Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

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