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Statements of Operations - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Income Statement [Abstract]    
Revenues $ 19,253,105 $ 16,454,426
Cost of revenues 9,152,462 7,998,018
Gross profit 10,100,643 8,456,408
Operating expenses:    
Research and development 3,893,563 3,640,296
Sales and marketing 3,015,431 2,981,902
General and administrative 2,585,279 2,420,198
Total operating expenses 9,494,273 9,042,396
Operating income (loss) 606,370 (585,988)
Interest expense and other, net (100,656) (128,612)
Net income (loss) before income taxes 505,714 (714,600)
Income tax benefit (expense) (219,128) 143,459
Net income (loss) $ 286,586 $ (571,141)
Net income (loss) per share:    
Basic $ 0.05 $ (0.09)
Fully diluted $ 0.05 $ (0.09)
Weighted average shares outstanding:    
Basic 5,984,381 6,094,709
Fully diluted 6,207,731 6,094,709