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Condensed Consolidated Statements of Operations (Unaudited) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Revenue:        
Total revenue $ 1,732,192 $ 2,546,983 $ 4,157,936 $ 5,097,779
Cost of revenue:        
Total cost of revenue 1,339,434 1,596,171 2,500,148 2,965,227
Gross profit 392,758 950,812 1,657,788 2,132,552
Selling, general and administrative expenses:        
Research and development expense 359,697 582,905 845,445 1,045,076
Selling, advertising and promotional expense 486,649 1,237,947 1,169,030 1,993,936
Stock-based compensation expense 376,738 585,195 688,415 1,310,393
General and administrative expense 1,312,828 1,977,123 3,025,417 4,301,663
Patent litigation settlement (6,000,000) (6,000,000)
Total selling, general and administrative expenses 2,535,912 (1,616,830) 5,728,307 2,651,068
Operating (loss) income (2,143,154) 2,567,642 (4,070,519) (518,516)
Other income (expense)        
Interest income 15,609 5,628 21,869 23,612
Interest expense (25,636) (333,196)
Secured convertible notes issuance expense (34,906) (34,906)
Change in fair value of proceeds investment agreement 2,578,000 (2,961,000) 2,885,000 (3,098,000)
Change in fair value of secured convertible notes (887,807) (1,300,252)
Total other income (expense) 1,645,260 (2,955,372) 1,238,515 (3,074,388)
Loss before income tax benefit (497,894) (387,730) (2,832,004) (3,592,904)
Income tax benefit
Net loss $ (497,894) $ (387,730) $ (2,832,004) $ (3,592,904)
Net loss per share information:        
Basic $ (0.03) $ (0.03) $ (0.17) $ (0.32)
Diluted $ (0.03) $ (0.03) $ (0.17) $ (0.32)
Weighted average shares outstanding:        
Basic 18,976,724 11,305,248 16,430,214 11,124,222
Diluted 18,976,724 11,305,248 16,430,214 11,124,222
Product [Member]        
Revenue:        
Total revenue $ 1,053,581 $ 1,945,724 $ 2,820,116 $ 3,866,188
Cost of revenue:        
Total cost of revenue 1,165,528 1,468,828 2,154,774 2,731,899
Service and other [Member]        
Revenue:        
Total revenue 678,611 601,259 1,337,820 1,231,591
Cost of revenue:        
Total cost of revenue $ 173,906 $ 127,343 $ 345,374 $ 233,328