XML 95 R68.htm IDEA: XBRL DOCUMENT v3.25.1
Quarterly Financial Information (Unaudited) - Schedule Of Quarterly Information - Condensed Consolidated Balance Sheet (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Sep. 30, 2024
Jun. 30, 2024
Mar. 31, 2024
Dec. 31, 2023
Sep. 30, 2023
Jun. 30, 2023
Mar. 31, 2023
Dec. 31, 2022
Current assets:                  
Cash and cash equivalents $ 60,652 $ 92,851 $ 127,321 $ 149,608 $ 75,000 $ 105,366 $ 111,187 $ 67,552  
Short-term investments 65,039 60,390 46,506 43,720 21,526 11,716 30,266 96,733  
Prepaid expenses and other current assets 5,609 7,839 5,591 5,802 6,247 7,514 5,690 4,588  
Total current assets 131,300 161,080 179,418 199,130 102,773 124,596 147,143 168,873  
Operating lease right-of-use assets 33,611 33,680 33,996 34,478 35,024 35,599 41,233 46,598  
Property and equipment, net 11,607 12,215 13,047 13,766 14,764 15,497 32,041 33,347  
Deferred rent receivable   0 0            
Restricted cash 1,976 1,976 1,976 1,976 1,976 2,650 2,650 2,503  
Deposit and other long-term assets 1,347 1,293 1,162 1,196 1,231 1,270 1,308 1,351  
Total assets 179,841 210,244 229,599 250,546 155,768 179,612 224,375 252,672  
Current liabilities:                  
Accounts payable 1,610 2,110 1,973 1,897 1,921 2,170 1,418 2,863  
Accrued expenses and other current liabilities 15,620 14,886 9,912 9,160 12,584 16,362 17,704 17,344  
Lease liability, current portion 5,668 5,617 5,570 5,521 5,476 5,427 20,535 20,734  
Total current liabilities 22,898 22,613 17,455 16,578 19,981 23,959 39,657 40,941  
Long-term liabilities:                  
Lease liability, net of current portion 86,037 79,361 74,744 70,287 68,565 68,396 68,490 67,886  
Total liabilities 109,127 101,974 92,199 86,865 88,546 92,355 108,147 108,827  
Commitments and contingencies  
Stockholders’ equity:                  
Preferred stock 0 0 0 0 0 0 0 0  
Common stock 2 2 2 2 1 1 1 1  
Additional paid-in capital 1,138,070 1,134,556 1,131,592 1,127,383 1,003,718 999,328 994,938 990,223  
Accumulated other comprehensive loss (407) (268) (525) (533) (473) (552) (606) (799)  
Accumulated deficit (1,066,951) (1,026,020) (993,669) (963,171) (936,024) (911,520) (878,105) (845,580)  
Total stockholders’ equity 70,714 108,270 137,400 163,681 67,222 87,257 116,228 143,845 $ 170,222
Total liabilities and stockholders’ equity $ 179,841 210,244 229,599 250,546 155,768 179,612 224,375 252,672  
As Previously Reported                  
Current assets:                  
Cash and cash equivalents   92,851 127,321 149,608 75,000 105,366 111,187 67,552  
Short-term investments   60,390 46,506 43,720 21,526 11,716 30,266 96,733  
Prepaid expenses and other current assets   7,839 5,591 5,802 6,247 7,514 5,690 4,588  
Total current assets   161,080 179,418 199,130 102,773 124,596 147,143 168,873  
Operating lease right-of-use assets   50,695 51,237 51,760 52,266 52,757 58,287 69,503  
Property and equipment, net   12,215 13,047 13,766 14,764 15,497 32,041 33,347  
Deferred rent receivable   7,116 6,963            
Restricted cash   1,976 1,976 1,976 1,976 2,650 2,650 2,503  
Deposit and other long-term assets   1,293 1,162 1,196 1,231 1,270 1,308 1,351  
Total assets   234,375 253,803 267,828 173,010 196,770 241,429 275,577  
Current liabilities:                  
Accounts payable   2,110 1,973 1,897 1,921 2,170 1,418 2,863  
Accrued expenses and other current liabilities   14,886 9,912 9,160 12,584 16,362 17,704 17,344  
Lease liability, current portion   10,661 10,576 10,492 10,409 10,324 25,396 26,265  
Total current liabilities   27,657 22,461 21,549 24,914 28,856 44,518 46,472  
Long-term liabilities:                  
Lease liability, net of current portion   62,602 63,313 63,991 64,627 65,200 65,756 71,348  
Total liabilities   90,259 85,774 85,540 89,541 94,056 110,274 117,820  
Commitments and contingencies    
Stockholders’ equity:                  
Preferred stock   0 0 0 0 0 0 0  
Common stock   2 2 2 1 1 1 1  
Additional paid-in capital   1,134,556 1,131,592 1,127,383 1,003,718 999,328 994,938 990,223  
Accumulated other comprehensive loss   (268) (525) (533) (473) (552) (606) (799)  
Accumulated deficit   (990,174) (963,040) (944,564) (919,777) (896,063) (863,178) (831,668)  
Total stockholders’ equity   144,116 168,029 182,288 83,469 102,714 131,155 157,757  
Total liabilities and stockholders’ equity   234,375 253,803 267,828 173,010 196,770 241,429 275,577  
Adjustment                  
Current assets:                  
Cash and cash equivalents   0 0 0 0 0 0 0  
Short-term investments   0 0 0 0 0 0 0  
Prepaid expenses and other current assets   0 0 0 0 0 0  
Total current assets   0 0 0 0 0 0 0  
Operating lease right-of-use assets   (17,015) (17,241) (17,282) (17,242) (17,158) (17,054) (22,905)  
Property and equipment, net   0 0 0 0 0 0  
Deferred rent receivable   (7,116) (6,963)            
Restricted cash   0 0 0 0 0 0 0  
Deposit and other long-term assets   0 0 0 0 0 0  
Total assets   (24,131) (24,204) (17,282) (17,242) (17,158) (17,054) (22,905)  
Current liabilities:                  
Accounts payable   0 0 0 0 0 0 0  
Accrued expenses and other current liabilities   0 0 0 0 0 0 0  
Lease liability, current portion   (5,044) (5,006) (4,971) (4,933) (4,897) (4,861) (5,531)  
Total current liabilities   (5,044) (5,006) (4,971) (4,933) (4,897) (4,861) (5,531)  
Long-term liabilities:                  
Lease liability, net of current portion   16,759 11,431 6,296 3,938 3,196 2,734 (3,462)  
Total liabilities   11,715 6,425 1,325 (995) (1,701) (2,127) (8,993)  
Commitments and contingencies    
Stockholders’ equity:                  
Preferred stock   0 0 0 0 0 0 0  
Common stock   0 0 0 0 0 0 0  
Additional paid-in capital   0 0 0 0 0 0 0  
Accumulated other comprehensive loss   0 0 0 0 0 0 0  
Accumulated deficit   (35,846) (30,629) (18,607) (16,247) (15,457) (14,927) (13,912) $ (11,300)
Total stockholders’ equity   (35,846) (30,629) (18,607) (16,247) (15,457) (14,927) (13,912)  
Total liabilities and stockholders’ equity   $ (24,131) $ (24,204) $ (17,282) $ (17,242) $ (17,158) $ (17,054) $ (22,905)