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Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)
$ in Thousands
Mar. 31, 2025
Dec. 31, 2024
Current assets:    
Cash and cash equivalents $ 117,328 $ 128,574
Prepaid expenses and other current assets 2,823 7,958
Total current assets 120,151 136,532
Property and equipment, net 20,781 21,001
Total assets 140,932 157,533
Current liabilities:    
Accounts payable and accrued expenses 8,192 7,654
Accrued development expense 4,077 2,440
Accrued compensation and benefits 855 1,357
Other current liabilities 113 299
Total current liabilities 13,237 11,750
Other non-current liabilities 79 79
Total liabilities 13,316 11,829
Commitments and contingencies (Notes 8, 9 and 10)
Stockholders' equity:    
Preferred stock, $0.001 par value; 10,000,000 shares authorized, none issued and outstanding 0 0
Common stock, $0.001 par value; 120,000,000 shares authorized; 48,307,896 and 48,203,179 shares issued and outstanding at March 31, 2025 and December 31, 2024, respectively 48 48
Additional paid-in capital 556,082 550,767
Retained Earnings (Accumulated Deficit) (428,514) (405,111)
Total stockholders' equity 127,616 145,704
Total liabilities and stockholders' equity $ 140,932 $ 157,533