v3.21.2
Balance Sheets - USD ($)
Jun. 30, 2021
Dec. 31, 2020
Current assets:    
Cash and cash equivalents $ 38,226,214 $ 50,729,661
Accounts receivable 121,970 75,850
Prepaid expenses and other current assets 647,471 636,702
Total current assets 38,995,655 51,442,213
Property and equipment, net 479,330 402,711
Operating lease right-of-use assets 899,355 1,293,291
Other assets 1,610 1,610
Total assets 40,375,950 53,139,825
Current liabilities:    
Accounts payable 1,652,541 1,096,839
Accrued expenses 1,607,538 1,576,287
Operating lease liabilities, current portion 785,484 825,431
Deferred revenue 13,500 12,000
Total current liabilities 4,059,063 3,510,557
Operating lease liabilities, long-term portion 194,176 576,762
Total liabilities 4,253,239 4,087,319
Commitments and contingencies
Stockholders’ equity:    
Preferred Stock, $0.00001 par value, 10,000,000 shares authorized at June 30, 2021 and December 31, 2020; no shares issued or outstanding
Common Stock, $0.00001 par value, 200,000,000 shares authorized at June 30, 2021 and December 31, 2020, respectively; 62,868,137 and 61,292,412 shares issued and outstanding at June 30, 2021 and December 31, 2020, respectively. 630 614
Additional paid-in capital 350,636,419 344,024,638
Accumulated deficit (314,514,338) (294,972,746)
Total stockholders’ equity 36,122,711 49,052,506
Total liabilities and stockholders’ equity $ 40,375,950 $ 53,139,825

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