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Condensed Statements of Operations - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Income Statement [Abstract]        
Revenues $ 6,045,982 $ 5,952,890 $ 12,338,984 $ 10,765,869
Cost of revenues 3,010,300 2,697,747 6,175,640 4,936,683
Gross profit 3,035,682 3,255,143 6,163,344 5,829,186
Operating expenses:        
   Research and development 1,121,116 972,292 2,174,722 1,903,326
   Sales and marketing 964,434 734,026 1,864,314 1,394,488
   General and administrative 760,848 734,490 1,471,320 1,475,027
      Total operating expenses 2,846,398 2,440,808 5,510,356 4,772,841
Operating income 189,284 814,335 652,988 1,056,345
Interest expense, net 45,005 51,428 90,611 100,129
Other income 10,082
Net income before income taxes 144,279 762,907 562,377 966,298
Income tax benefit (expense) (40,320) 1,864,200 (116,485) 1,863,711
Net income $ 103,959 $ 2,627,107 $ 445,892 $ 2,830,009
Net income per share:        
   Basic $ 0.01 $ 0.34 $ 0.06 $ 0.38
   Diluted $ 0.01 $ 0.27 $ 0.05 $ 0.31
Weighted average shares outstanding:        
   Basic 7,219,646 7,128,768 7,225,641 6,808,339
   Diluted 7,643,315 8,907,352 7,687,980 8,593,630