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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Textual) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 29, 2019 USD ($) | Sep. 30, 2018 | Sep. 29, 2019 USD ($) segment | Sep. 30, 2018 USD ($) | Dec. 30, 2018 USD ($)
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Effective income tax rate reconciliation, percent | 24.10% | 21.30% | 23.30% | 17.70% |
Accumulated depreciation and amortization, property, plant, and equipment | $ 2,700,000 |  | $ 2,700,000 |  | $ 2,100,000
Deposit contracts, assets | 3,400,000 |  | 3,400,000 |  | 2,900,000
Impairment of long-lived assets |  |  | $ 0 | $ 0 |
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 |  |
Right-of-use asset - operating leases | 4,113,793 |  | 4,113,793 |  | $ 0
Operating lease, liability | $ 5,147,060 |  | $ 5,147,060 |  |
Minimum |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Lessee, Operating Lease, Renewal Term | 1 year |  | 1 year |  |
Useful life |  |  | 3 years |  |
Maximum |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Lessee, Operating Lease, Renewal Term | 10 years |  | 10 years |  |
Useful life |  |  | 10 years |  |

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