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10. SEGMENT AND GEOGRAPHIC INFORMATION (Tables)
12 Months Ended
Dec. 31, 2018
Segment Reporting [Abstract]  
Company's net sales by geographic region
    FY 2018     Percent     FY 2017     Percent  
North America   $ 31,687,051       98.0 %   $ 29,006,661       98.6 %
Outside North America     636,432       2.0 %     411,329       1.4 %
Total   $ 32,323,483       100.0 %   $ 29,417,990       100.0 %