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CONDENSED BALANCE SHEETS - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Current assets:    
Cash and cash equivalents $ 20,052 $ 11,943
Short-term investments 109,310 128,878
Accounts receivable and unbilled receivable 447 535
Prepaid expenses and other current assets 5,997 4,771
Total current assets 135,806 146,127
Property and equipment, net 550 382
Operating lease right-of-use assets 2,660 2,796
Other assets 188 239
Total Assets 139,204 149,544
Current liabilities:    
Accounts payable 1,261 1,439
Accrued liabilities 4,738 4,527
Operating lease liabilities 665 551
Other current liabilities 0 42
Total current liabilities 6,664 6,559
Operating lease liabilities, net of current portion 2,438 2,568
Total Liabilities 9,102 9,127
Commitments and contingencies (Note 7)
Stockholders’ equity    
Preferred stock, 20,000 shares authorized; (Note 6) 0 1
Common stock, $0.0001 par value, 150,000 shares authorized; 43,306 and 41,964 shares issued and outstanding at March 31, 2022 and December 31, 2021, respectively 4 4
Additional paid-in capital 401,655 400,503
Service receivables 0 (139)
Accumulated other comprehensive loss (748) (142)
Accumulated deficit (270,809) (259,810)
Total stockholders’ equity 130,102 140,417
Total liabilities and stockholders’ equity $ 139,204 $ 149,544