Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUE MEASUREMENT (Details)

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FAIR VALUE MEASUREMENT (Details) - Fair Value, Inputs, Level 3 [Member]
3 Months Ended
Mar. 31, 2022
USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Beginning balance as of January 1, 2022 $ 613,000
Change in fair value of contingent consideration (589,622)
Ending balance as of March 31, 2022 $ 23,378