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Condensed Statements of Operations - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Income Statement [Abstract]        
Revenues $ 3,727,871 $ 6,319,044 $ 16,066,855 $ 17,084,913
Cost of revenues 2,073,012 2,896,323 8,248,652 7,833,006
Gross profit 1,654,859 3,422,721 7,818,203 9,251,907
Operating expenses:        
   Research and development 1,096,400 1,014,175 3,271,122 2,917,501
   Sales and marketing 864,702 787,889 2,729,016 2,182,377
   General and administrative 641,184 666,884 2,112,504 2,141,911
      Total operating expenses 2,602,286 2,468,948 8,112,642 7,241,789
Operating income (loss) (947,427) 953,773 (294,439) 2,010,118
Interest expense, net (43,092) (50,147) (133,703) (150,276)
Other income 10,082
Net income (loss) before income taxes (990,519) 903,626 (428,142) 1,869,924
Income tax (benefit) expense (116,485) 260,000 (1,603,711)
Net income (loss) $ (874,034) $ 643,626 $ (428,142) $ 3,473,635
Net income (loss) per share:        
   Basic $ (0.11) $ 0.08 $ (0.05) $ 0.46
   Diluted $ (0.11) $ 0.07 $ (0.05) $ 0.37
Weighted average shares outstanding:        
   Basic 7,153,210 7,162,924 7,202,239 6,927,837
   Diluted 7,153,210 8,939,384 7,202,239 8,932,395