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CONDENSED BALANCE SHEETS - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Current assets:    
Cash and cash equivalents $ 15,017 $ 16,347
Short-term investments 81,951 88,920
Accounts receivable and unbilled receivable 676 771
Prepaid expenses and other current assets 4,109 5,246
Total current assets 101,753 111,284
Property and equipment, net 1,320 1,269
Operating lease right-of-use assets 2,115 2,251
Other assets 1,361 1,387
Total Assets 106,549 116,191
Current liabilities:    
Accounts payable 2,914 1,956
Accrued liabilities 4,555 5,177
Operating lease liabilities 679 675
Total current liabilities 8,148 7,808
Operating lease liabilities, net of current portion 1,898 2,040
Total Liabilities 10,046 9,848
Commitments and contingencies (Note 7)
Stockholders’ equity    
Preferred stock, 20,000 shares authorized; Series A Convertible Preferred Stock liquidation preference $1,050 and $1,044 at March 31, 2023 and December 31, 2022, respectively (Note 6) 0 0
Common stock, $0.0001 par value, 150,000 shares authorized; 44,677 and 44,677 shares issued and outstanding at March 31, 2023 and December 31, 2022, respectively 4 4
Additional paid-in capital 405,898 404,834
Accumulated other comprehensive loss (76) (395)
Accumulated deficit (309,323) (298,100)
Total stockholders’ equity 96,503 106,343
Total liabilities and stockholders’ equity $ 106,549 $ 116,191