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FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) - USD ($) | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Level 1 [Member] |  |
Liabilities [Abstract] |  |
Fair value liabilities | $ 0 | $ 0
Level 1 [Member] | Contingent Consideration [Member] |  |
Liabilities [Abstract] |  |
Fair value liabilities | 0 | 0
Level 2 [Member] |  |
Liabilities [Abstract] |  |
Fair value liabilities | 0 | 0
Level 2 [Member] | Contingent Consideration [Member] |  |
Liabilities [Abstract] |  |
Fair value liabilities | 0 | 0
Level 3 [Member] |  |
Liabilities [Abstract] |  |
Fair value liabilities | 19,290,000 | 20,110,000
Level 3 [Member] | Contingent Consideration [Member] |  |
Liabilities [Abstract] |  |
Fair value liabilities | $ 19,290,000 | $ 20,110,000

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