Annual report pursuant to Section 13 and 15(d)

Balance Sheets

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Balance Sheets - USD ($)
Dec. 31, 2022
Dec. 31, 2021
Current assets:    
Cash and cash equivalents $ 26,287,293 $ 49,071,414
Accounts receivable, net 143,353 283,602
Inventory 105,821  
Prepaid expenses and other current assets 827,551 874,886
Total current assets 27,364,018 50,229,902
Property and equipment, net 429,035 510,197
Operating right-of-use lease assets 1,959,869 618,985
Other assets   11,991
Total assets 29,752,922 51,371,075
Current liabilities:    
Accounts payable 900,765 1,205,957
Accrued expenses 1,790,414 1,523,317
Accrued severance 416,516 975,439
Operating lease liabilities, current portion 705,894 628,307
Deferred revenue 29,727 13,364
Total current liabilities 3,843,316 4,346,384
Long-term liabilities:    
Operating lease liabilities, long-term portion 1,264,131 40,413
Total liabilities 5,107,447 4,386,797
Commitments and contingencies
Stockholders’ equity:    
Preferred Stock, $0.00001 par value, 10,000,000 shares authorized at December 31, 2022 and December 31, 2021; no shares issued or outstanding
Common Stock, $0.00001 par value, 200,000,000 shares authorized at December 31, 2022 and December 31, 2021; 78,944,954 and 76,667,205 shares issued and outstanding at December 31, 2022 and December 31, 2021, respectively. 789 767
Additional paid-in capital 387,319,985 383,383,550
Accumulated deficit (362,675,299) (336,400,039)
Total stockholders’ equity 24,645,475 46,984,278
Total liabilities and stockholders’ equity $ 29,752,922 $ 51,371,075