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Consolidated Balance Sheets - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Current assets:    
Cash and cash equivalents $ 36,043 $ 24,690
Accounts receivable 2,152 1,978
Short-term marketable securities 0 51,148
Prepaid expenses and other current assets 2,937 3,489
Total current assets 41,132 81,305
Property and equipment, net 1,969 3,630
Operating lease right-of-use assets 1,889 3,268
Restricted cash 688 405
Other assets 402 827
Total assets 46,080 89,435
Current liabilities:    
Accounts payable 525 658
Accrued and other liabilities 4,126 6,848
Lease liabilities, current portion 2,497 2,226
Total current liabilities 7,148 9,732
Lease liabilities, noncurrent portion 882 3,376
Warrant liability 115 326
Total liabilities 8,145 13,434
Commitments and contingencies (Note 5 and Note 14)
Stockholders’ equity:    
Preferred stock, $0.0001 par value, 10,000 shares authorized; no shares issued and outstanding as of December 31, 2023 and 2022 0 0
Common stock, $0.0001 par value, 500,000 shares authorized as of December 31, 2023 and 2022; 2,063 and 2,006 shares issued and outstanding as of December 31, 2023 and 2022, respectively 0 0
Additional paid-in-capital 259,630 254,895
Accumulated other comprehensive loss 0 (241)
Accumulated deficit (221,695) (178,653)
Total stockholders’ equity 37,935 76,001
Total liabilities and stockholders’ equity $ 46,080 $ 89,435