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Condensed Statements of Cash Flows (Unaudited) - USD ($)
 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Operating Activities:    
Net loss $ (4,581,228) $ (2,876,501)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 57,160 30,434
Common stock issued for services 638,864 257,825
Compensation expense related to grant of stock options 175,724 81,204
Amortization of debt discount 0 5,990
Amortization of operating lease right of use asset 27,374 (29,554)
Increase (decrease) in:    
Accounts receivable (689,353) (545,619)
Prepaid expenses and other current assets 89,663 (113,763)
Inventory (1,011,971) 17,124
Deposits 0 4,869
Accounts payable 62,549 (114,228)
Accrued expenses 37,198 177,640
Convertible note payable repaid in lieu of salary - related party 0 (220,417)
Sales tax payable (18,691) 74,703
Deferred revenue 52,107 18,968
Net cash used in operating activities (5,160,604) (3,231,325)
Investing Activities:    
Purchases of equipment (473,318) (153,097)
Funding of patent costs (60,681) (69,551)
Net cash used in investing activities (533,999) (222,648)
Financing Activities:    
Repayments of auto loan 0 (8,275)
Borrowings on note payable - Paycheck Protection Program 0 339,262
Withhold shares to cover taxes for cashless stock option exercise (614,269) 0
Proceeds from warrant exercises 2,684,520 1,066,912
Payments of equity offering costs 0 (960,833)
Proceeds from issuance of common stock and warrants, pursuant to public offering 0 11,499,675
Net cash provided by financing activities 2,070,251 11,936,741
Net (decrease) increase in cash (3,624,352) 8,482,768
Cash at beginning of period 26,702,804 3,849,456
Cash at end of period 23,078,452 12,332,224
Supplemental Disclosure of Cash Flow Information:    
Cash paid for interest 0 54,156
Cash paid for taxes 825 4,969
Supplemental Disclosure of Non-Cash Investing and Financing Activities:    
Recording of right of use asset and corresponding liability 0 2,605,032
Reclassification of deferred equity offering costs into APIC 0 960,833
Transfer of fixed asset to inventory $ 0 $ 76,946