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Segment Reporting (Tables)
12 Months Ended
Dec. 31, 2020
Segment Reporting [Abstract]  
Schedule of revenues
   For the Years Ended 
   December 31, 
   2020   2019   2018 
REVENUES:            
Application development services*  $21,985,214   $15,720,676   $20,037,861 
Consulting and technical support services   3,797,354    3,307,662    2,390,948 
Subscription services   881,443    1,066,720    723,458 
Total revenues  $26,664,011   $20,095,058   $23,152,267 

*

For the year ended December 31, 2020 and 2019, certain application development service arrangements included sales of IT equipment. Such revenue of $6,299,982 and $1,554,428 was included in the application development service revenue for years ended December 31, 2020 and 2019, respectively.