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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Textual) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 27, 2020 USD ($) | Sep. 29, 2019 USD ($) | Sep. 27, 2020 USD ($) segment | Sep. 29, 2019 USD ($) | Dec. 29, 2019 USD ($)
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Effective income tax rate reconciliation, percent | 22.00% | 24.10% | 25.40% | 23.30% |
Accumulated depreciation and amortization, property, plant, and equipment | $ 4,100,000 |  | $ 4,100,000 |  | $ 2,800,000
Deposit contracts, assets | 3,800,000 |  | 3,800,000 |  | 3,600,000
Impairment losses | 0 | $ 0 | 7,239,514 | $ 0 |
Goodwill | 31,350,224 |  | $ 31,350,224 |  | $ 25,194,639
Number of reportable segments | segment |  |  | 3 |  |
Revenue, remaining performance obligation, amount | 0 |  | $ 0 |  |
Contract with customer, performance obligation satisfied in previous period |  |  | 0 |  |
Capitalized contract cost, gross | 0 |  | 0 |  |
Capitalized contract cost, impairment loss |  |  | 0 |  |
Operating loss carryforwards | 6,800,000 |  | 6,800,000 |  |
Goodwill, expected tax deductible amount | $ 25,200,000 |  | 25,200,000 |  |
Impairment of long-lived assets held-for-use |  |  | $ 0 | $ 0 |
Minimum |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Renewal term | 3 years |  | 3 years |  |
Useful life |  |  | 3 years |  |
Maximum |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Renewal term | 10 years |  | 10 years |  |
Useful life |  |  | 10 years |  |
Client partner lists |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Impairment of intangible assets, finite-lived |  |  | $ 3,500,000 |  |

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