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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
12 Months Ended
Dec. 31, 2018
Accounting Policies [Abstract]  
Schedule of major customer information

The following table summarizes major customer’s information for the years ended December 31, 2018 and 2017:

 

    For the Years ended December 31  
    2018     2017  
    % Revenues     % AR     % Revenues     % AR  
Major     37.7 %     45.6 %     23.2 %     12.9 %
All Others     62.3 %     54.4 %     76.8 %     87.1 %
Total     100.0 %     100.0 %     100.0 %     100.0 %

Schedule of disaggregation of revenue

The following table summarizes disaggregated revenues by major product line for the years ended December 31, 2018 and 2017, respectively:

 

    For the years ended December 31,  
    2018     2017     2018     2017  
                (percent of revenues)  
System sales   $ 4,953,871     $ 3,926,420       63.4 %     61.5 %
Maintenance fees     2,635,122       2,269,840       33.7 %     35.6 %
Other sales     229,704       184,107       2.9 %     3.0 %
Total revenues   $ 7,818,697     $ 6,380,367       100.0 %     100.0 %