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Condensed Balance Sheets (Unaudited) - USD ($)
Jun. 30, 2021
Dec. 31, 2020
Current assets    
Cash $ 25,308,606 $ 26,702,804
Accounts receivable 2,808,062 1,786,471
Prepaid and other current assets 296,603 321,393
Inventory, net 1,936,660 1,092,763
Total current assets 30,349,931 29,903,431
Property and equipment, net 362,826 235,036
Operating lease right of use asset 2,253,852 2,418,503
Patents, net 321,591 293,789
Deposits 52,000 52,000
Total assets 33,340,200 32,902,759
Current liabilities    
Accounts payable 1,076,884 727,919
Accrued expenses 395,649 391,567
Sales tax payable 108,401 92,130
Deferred revenue 155,747 107,489
Operating lease liabilities, current 435,813 521,006
Total current liabilities 2,172,494 1,840,111
Operating lease liabilities, noncurrent 1,850,189 1,910,357
Total liabilities 4,022,683 3,750,468
Commitments and contingencies (Note 7)
Stockholders' equity    
Preferred stock, $0.001 par value, 10,000,000 authorized, none outstanding as of June 30, 2021 and December 31, 2020, respectively. 0 0
Common stock, $0.001 par value, 9,800,000 shares authorized, 8,897,955 and 8,482,387 shares issued or issuable and outstanding as of June 30, 2021 and December 31, 2020, respectively. 8,898 8,482
Additional paid-in-capital 83,223,822 80,166,415
Accumulated deficit (53,915,203) (51,022,606)
Total stockholders' equity 29,317,517 29,152,291
Total liabilities and stockholders' equity $ 33,340,200 $ 32,902,759