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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Textual) - USD ($) | 12 Months Ended
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Dec. 29, 2019 | Dec. 30, 2018 | Dec. 31, 2017
Summary Of Significant Accounting Policies [Line Items] |  |  |
Fiscal period, length | 364 days | 364 days | 371 days
Deposits | $ 3,600,000 | $ 2,900,000 |
Goodwill, impairment loss | 0 | 0 | $ 0
Advertising expense | $ 1,900,000 | $ 1,900,000 | $ 1,500,000
Minimum |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Property, plant and equipment, useful life | 5 years |  |
Lessee, operating lease, renewal term (in years) | 1 year |  |
Finite-lived intangible asset, useful life | 3 years |  |
Maximum |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Property, plant and equipment, useful life | 7 years |  |
Lessee, operating lease, renewal term (in years) | 10 years |  |
Finite-lived intangible asset, useful life | 10 years |  |

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- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -SubTopic 35 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848 + Details
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- Definition Carrying amount of assets as of the balance sheet date pertaining to amounts paid by the insured (including a ceding company) under insurance or reinsurance contracts for which insurance risk is not transferred. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99397363&loc=d3e9420-108338 + Details
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