Condensed Balance Sheets - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Current Assets    
Cash and cash equivalents $ 48,573 $ 94,746
Investments 69,331 22,287
Prepaid expenses and other current assets 5,096 5,337
Total current assets 123,000 122,370
Property and equipment, net 41,998 43,015
Operating lease right-of-use assets 37,292  
Long-term investments 7,862 31,042
Deposits and other 3,537 3,630
Total assets 213,689 200,057
Current Liabilities    
Accounts payable 4,452 3,352
Accrued expenses 5,114 11,555
Current portion of operating lease liabilities 3,221  
Other current liabilities 70 1,992
Total current liabilities 12,857 16,899
Deferred rent   28,229
Operating lease liabilities, net of current portion 63,049  
Total liabilities 75,906 45,128
Commitment and contingencies (Note 9)
Stockholders' equity    
Additional paid-in capital 522,892 514,794
Accumulated other comprehensive income (loss) (470) (102)
Accumulated deficit (384,643) (359,767)
Total stockholders' equity 137,783 154,929
Total liabilities and stockholders' equity 213,689 200,057
Class A common stock    
Stockholders' equity    
Common stock 3 3
Class B common stock    
Stockholders' equity    
Common stock $ 1 $ 1