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Condensed Statements of Operations - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Income Statement [Abstract]        
Revenues $ 5,952,890 $ 2,715,024 $ 10,765,869 $ 6,935,710
Cost of revenues 2,697,747 1,353,498 4,936,683 3,350,469
Gross profit 3,255,143 1,361,526 5,829,186 3,585,241
Operating expenses:        
   Research and development 972,292 859,510 1,903,326 1,740,148
   Sales and marketing 734,026 722,160 1,394,488 1,489,956
   General and administrative 734,490 589,730 1,475,027 1,255,846
      Total operating expenses 2,440,808 2,171,400 4,772,841 4,485,950
Operating income (loss) 814,335 (809,874) 1,056,345 (900,709)
Interest expense, net (51,428) (8,149) (100,129) (27,641)
Other income 50,000 10,082 70,000
Net income (loss) before income taxes 762,907 (768,023) 966,298 (858,350)
Current income tax expense (5,800) (6,289)
Deferred income tax benefit 1,870,000 1,870,000
Net income (loss) $ 2,627,107 $ (768,023) $ 2,830,009 $ (858,350)
Net income (loss) per share:        
   Basic $ 0.34 $ (0.13) $ 0.38 $ (0.14)
   Diluted $ 0.27 $ (0.13) $ 0.31 $ (0.14)
Weighted average shares outstanding:        
   Basic 7,128,768 6,009,383 6,808,339 6,011,695
   Diluted 8,907,352 6,009,383 8,593,630 6,011,695