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Segment Reporting (Tables)
12 Months Ended
Dec. 31, 2018
Segment Reporting [Abstract]  
Schedule of revenues
   For the Years Ended 
   December 31, 
   2018   2017   2016 
REVENUES:            
Application development services*  $20,037,861   $19,362,813   $19,133,676 
Consulting and technical support services   2,390,948    1,418,110    1,095,457 
Subscription services   723,458    847,631    945,668 
Total revenues  $23,152,267   $21,628,554   $21,174,801 

 

*For the year ended December 31, 2018, in some application development service arrangements, the Company sold certain IT equipment on standalone basis prior to the delivery of the services. Such revenue of $8,069,594 was included in the application development service revenue for year ended December 31, 2018.