v3.22.1
Condensed Balance Sheets - USD ($)
Mar. 31, 2022
Dec. 31, 2021
Current assets:    
Cash and cash equivalents $ 42,774,171 $ 49,071,414
Accounts receivable, net 198,924 283,602
Inventory 68,480  
Prepaid expenses and other current assets 431,670 874,886
Total current assets 43,473,245 50,229,902
Property and equipment, net 484,567 510,197
Operating lease right-of-use assets 432,249 618,985
Other assets 11,991 11,991
Total assets 44,402,052 51,371,075
Current liabilities:    
Accounts payable 934,913 1,205,957
Accrued expenses 1,342,782 1,523,317
Accrued severance expense 909,873 975,439
Operating lease liabilities, current portion 438,698 628,307
Deferred revenue 16,091 13,364
Total current liabilities 3,642,357 4,346,384
Operating lease liabilities, long-term portion 27,012 40,413
Total liabilities 3,669,369 4,386,797
Commitments and contingencies
Stockholders’ equity:    
Preferred Stock, $0.00001 par value, 10,000,000 shares authorized at March 31, 2022 and December 31, 2021; no shares issued or outstanding.
Common Stock, $0.00001 par value, 200,000,000 shares authorized at March 31, 2022 and December 31, 2021, respectively; 77,055,028 and 76,667,205 shares issued and outstanding at March 31, 2022 and December 31, 2021, respectively. 771 767
Additional paid-in capital 384,284,669 383,383,550
Accumulated deficit (343,552,757) (336,400,039)
Total stockholders’ equity 40,732,683 46,984,278
Total liabilities and stockholders’ equity $ 44,402,052 $ 51,371,075

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