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Consolidated Balance Sheets - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Current assets:      
Cash and cash equivalents $ 40,853 $ 51,954 $ 79,635
Short-term marketable securities 25,797 31,143 51,072
Prepaid expenses and other current assets 2,643 4,396 4,041
Total current assets 69,293 87,493 134,748
Long-term marketable securities   0 11,719
Property and equipment, net 1,832 2,739 5,522
Right of use assets 28,350 28,980 31,350
Restricted cash 1,699 1,699 1,699
Other long-term assets 327 327 320
Total assets 101,501 121,238 185,358
Current liabilities:      
Accounts payable 2,715 3,114 2,748
Accrued expenses 5,567 5,891 6,101
Lease liabilities, current portion 2,088 2,021 1,747
Term loan, current portion 11,667 10,000 833
Total current liabilities 22,037 21,026 11,429
Lease liabilities, net of current portion 26,215 26,761 28,851
Term loan, net of current portion 0 4,167 14,167
Other long-term liabilities 0 89 87
Total liabilities 48,252 52,043 54,534
Stockholders' equity:      
Preferred stock, $0.001 par value; 10,000,000 shares authorized, no shares issued or outstanding at March 31, 2023 and December 31, 2022 0 0 0
Common stock, $0.001 par value; 200,000,000 shares authorized, 35,751,956 and 35,262,083 shares issued and outstanding at March 31, 2023 and December 31, 2022, respectively 36 35 35
Additional paid-in capital 334,485 331,023 310,936
Accumulated other comprehensive income (64) (198) (62)
Accumulated deficit (281,208) (261,665) (180,085)
Total stockholders' equity 53,249 69,195 130,824
Total liabilities and stockholders' equity $ 101,501 $ 121,238 $ 185,358