v3.21.2
Balance Sheets - USD ($)
Sep. 30, 2021
Dec. 31, 2020
Current assets:    
Cash and cash equivalents $ 28,282,188 $ 50,729,661
Accounts receivable, net 176,683 75,850
Prepaid expenses and other current assets 708,776 636,702
Total current assets 29,167,647 51,442,213
Property and equipment, net 518,068 402,711
Operating lease right-of-use assets 699,202 1,293,291
Other assets 11,991 1,610
Total assets 30,396,908 53,139,825
Current liabilities:    
Accounts payable 922,233 1,096,839
Accrued expenses 1,595,109 1,576,287
Accrued severance expense 1,102,832  
Operating lease liabilities, current portion 765,209 825,431
Deferred revenue 12,000 12,000
Total current liabilities 4,397,383 3,510,557
Operating lease liabilities, long-term portion   576,762
Total liabilities 4,397,383 4,087,319
Commitments and contingencies
Stockholders’ equity:    
Preferred Stock, $0.00001 par value, 10,000,000 shares authorized at September 30, 2021 and December 31, 2020; no shares issued or outstanding.
Common Stock, $0.00001 par value, 200,000,000 shares authorized at September 30, 2021 and December 31, 2020, respectively; 63,155,272 and 61,292,412 shares issued and outstanding at September 30, 2021 and December 31, 2020, respectively. 633 614
Additional paid-in capital 352,977,756 344,024,638
Accumulated deficit (326,978,864) (294,972,746)
Total stockholders’ equity 25,999,525 49,052,506
Total liabilities and stockholders’ equity $ 30,396,908 $ 53,139,825

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