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CONSOLIDATED BALANCE SHEETS - USD ($)
Mar. 31, 2022
Dec. 31, 2021
Current assets:    
Cash and cash equivalents $ 75,205,060 $ 74,888,145
Marketable securities, current 62,565,953 74,311,203
Accounts receivable 279,614 246,040
Prepaids and other current assets 1,479,592 2,888,608
Total current assets 139,530,219 152,333,996
Marketable securities, non-current   996,560
Property and equipment, net 874,569 807,223
Goodwill 6,690,431 6,701,726
Intangible asset 430,897 439,000
Right-of-use assets, net 4,831,639 5,324,198
Other assets 89,579 102,129
Total assets 152,447,334 166,704,832
Current liabilities:    
Accounts payable 1,642,364 1,394,340
Accrued expenses 1,718,804 3,965,447
Other liabilities, current 47,213  
Lease liabilities, current 265,419 274,039
Total current liabilities 3,673,800 5,633,826
Long-term liabilities:    
Other liabilities, non-current 9,898  
Lease liabilities, non-current 4,707,526 5,090,897
Total liabilities 8,391,224 10,724,723
Commitments and contingencies (Note 12)
Stockholders' deficit:    
Additional paid-in capital 216,366,884 215,276,186
Accumulated other comprehensive loss (167,395) (49,009)
Accumulated deficit (72,169,762) (59,273,388)
Total stockholders' equity (deficit) 144,056,110 155,980,109
Total liabilities, convertible preferred stock and stockholders' equity (deficit) 152,447,334 166,704,832
Class A Common Stock    
Stockholders' deficit:    
Common stock $ 26,383 $ 26,320