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Nature of Business and Summary of Significant Accounting Policies (Tables)
6 Months Ended
Jun. 30, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Summary of Sales by Geographic Area

Management has determined that its operations comprise one reportable segment: the sale of digital audio and video recording and speed detection devices. For the three and six months ended June 30, 2020 and 2019, sales by geographic area were as follows:

 

    Three Months Ended June 30,     Six Months Ended June 30,  
    2020     2019     2020     2019  
Sales by geographic area:                                
United States of America   $ 1,726,119     $ 2,477,717     $ 4,097,815     $ 4,992,059  
Foreign     6,073       69,266       60,121       105,720  
                                 
    $ 1,732,192     $ 2,546,983     $ 4,157,936     $ 5,097,779