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INTANGIBLE ASSETS (Schedule of Intangible Assets) (Details) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 28, 2020 | Jun. 30, 2019 | Jun. 28, 2020 | Jun. 30, 2019
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Amortization of acquired intangible assets | $ 1,106,800 | $ 923,775 | $ 2,227,105 | $ 1,874,124
Amortization of intangible assets | 1,224,745 | 1,002,817 | 2,412,187 | 2,031,900
Total expense | 1,243,567 | 1,021,904 | 2,449,831 | 2,056,793
Client partner lists |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Amortization of acquired intangible assets | 1,040,405 | 881,525 | 2,091,021 | 1,789,624
Covenants not to compete |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Amortization of acquired intangible assets | 66,395 | 42,250 | 136,084 | 84,500
Amortization Expense | Computer Software, Intangible Asset [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Amortization of intangible assets | 117,945 | 79,042 | 185,082 | 157,776
Selling, General and Administrative Expenses | Computer Software, Intangible Asset [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Amortization of intangible assets | $ 18,822 | $ 19,087 | $ 37,644 | $ 24,893

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + Details
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