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FAIR VALUE MEASUREMENTS (Details) | 6 Months Ended |  |  |
--- | --- | --- | --- | ---
Jun. 27, 2021 USD ($) | Jun. 28, 2020 USD ($) | Feb. 08, 2021 USD ($) | Dec. 27, 2020 USD ($) | Feb. 03, 2020 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Other long-term liabilities | $ 3,615,823 |  |  | $ 7,355,541 |
Contingent consideration | 3,164,248 |  |  |  |
Interest expense on contingent consideration payable | 144,174 | $ 96,795 |  |  |
Momentum Solutionz |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Contingent consideration |  |  | $ 2,200,000 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Contingent Liability |  |  |  |  | $ 1,926,723
Level 2 | Other long-term liabilities | Fair Value, Measurements, Recurring |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Other long-term liabilities | 60,845 |  |  | 122,874 |
Level 3 | Contingent Consideration | Fair Value, Measurements, Recurring |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Contingent consideration | $ 3,164,248 |  |  | $ 2,287,926 |
Measurement Input, Discount Rate | Minimum |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Discount rate | 0.089 |  |  |  |
Measurement Input, Discount Rate | Maximum |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Discount rate | 0.092 |  |  |  |

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