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CONDENSED BALANCE SHEETS - USD ($)
$ in Thousands
Jun. 30, 2024
Dec. 31, 2023
Current assets:    
Cash and cash equivalents $ 25,501 $ 21,655
Short-term investments 34,818 53,168
Accounts receivable and unbilled receivable 451 288
Prepaid expenses and other current assets 1,476 2,301
Total current assets 62,246 77,412
Property and equipment, net 1,095 1,238
Operating lease right-of-use assets 1,439 1,708
Other assets 1,271 1,279
Total Assets 66,051 81,637
Current liabilities:    
Accounts payable 5,108 1,966
Accrued liabilities 6,712 7,783
Operating lease liabilities 702 691
Total current liabilities 12,522 10,440
Operating lease liabilities, net of current portion 1,141 1,458
Total Liabilities 13,663 11,898
Commitments and contingencies (Note 6)
Stockholders’ equity    
Preferred stock, 20,000 shares authorized; 277 designated as Series A Convertible Preferred Stock; 61 shares outstanding at June 30, 2024 and December 31, 2023 with liquidation preference of $1,080 and $1,068 at June 30, 2024 and December 31, 2023, respectively 0 0
Common stock, $0.0001 par value, 150,000 shares authorized; 45,602 and $44,677 shares issued and outstanding at June 30, 2024 and December 31, 2023, respectively 5 4
Additional paid-in capital 413,017 409,343
Accumulated other comprehensive loss (97) (67)
Accumulated deficit (360,537) (339,541)
Total stockholders’ equity 52,388 69,739
Total liabilities and stockholders’ equity $ 66,051 $ 81,637