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INTANGIBLE ASSETS, NET
 9 Months Ended
Sep. 30, 2022
Goodwill and Intangible Assets Disclosure [Abstract]  
INTANGIBLE ASSETS, NET

3.     INTANGIBLE ASSETS, NET

  

Intangible assets consist of the following:

        
   September 30,
2022		   December 31,
2021		 
Patents and trademarks  $38,186   $38,186 
Platform   12,362,866    9,853,823 
Customer lists and contracts   1,177,200    1,177,200 
Licenses   209,282    209,282 
    13,787,534    11,278,491 
Less: accumulated amortization   8,939,477    7,191,529 
Intangible assets, net  $4,848,057   $4,086,962 

 

Intangible assets are amortized over their useful lives ranging from periods of 3 to 15 years. Amortization expense for the three months ended September 30, 2022 and 2021 was $625,125 and $494,028, respectively. Amortization expense for the nine months ended September 30, 2022 and 2021 was $1,747,254 and $1,438,933, respectively.