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Condensed Consolidated Statements of Operations (Unaudited) - USD ($)
 3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Revenue:    
Total revenue $ 2,425,745 $ 2,550,796
Cost of revenue:    
Total cost of revenue 1,160,717 1,369,056
Gross profit 1,265,028 1,181,740
Selling, general and administrative expenses:    
Research and development expense 485,748 462,171
Selling, advertising and promotional expense 682,381 755,989
Stock-based compensation expense 311,677 725,198
General and administrative expense 1,712,590 2,324,540
Total selling, general and administrative expenses 3,192,396 4,267,898
Operating loss (1,927,368) (3,086,158)
Other income (expense):    
Interest income 6,263 17,984
Interest expense (307,560)
Change in fair value of secured convertible notes (412,445)
Change in fair value of proceeds investment agreement 307,000 (137,000)
Total other expense (406,742) (119,016)
Loss before income tax benefit (2,334,110) (3,205,174)
Income tax benefit
Net loss $ (2,334,110) $ (3,205,174)
Net loss per share information:    
Basic $ (0.17) $ (0.29)
Diluted $ (0.17) $ (0.29)
Weighted average shares outstanding:    
Basic 13,888,438 10,941,856
Diluted 13,888,438 10,941,856
Product [Member]    
Revenue:    
Total revenue $ 1,766,536 $ 1,920,464
Cost of revenue:    
Total cost of revenue 989,247 1,263,071
Service and other [Member]    
Revenue:    
Total revenue 659,209 630,332
Cost of revenue:    
Total cost of revenue $ 171,470 $ 105,985