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Condensed Consolidated Balance Sheets - USD ($)
$ in Thousands
Sep. 30, 2024
Dec. 31, 2023
Current assets:    
Cash and cash equivalents $ 34,551 $ 22,465
Short-term investments 223,818 147,561
Accounts receivable, net 2,895 1,010
Inventory 636 381
Prepaid expenses and other current assets 6,706 5,130
Total current assets 268,606 176,547
Property and equipment, net of accumulated depreciation and amortization of $1,961 and $4,538, respectively 2,135 1,987
Goodwill 44,543 44,543
Operating lease right-of-use-assets 5,011 5,524
Other assets 828 828
Total assets 321,123 229,429
Current liabilities:    
Accounts payable 14,201 14,389
Accrued liabilities 21,845 17,157
Total current liabilities 36,046 31,546
Long-term debt, net 99,895 99,508
Other long-term liabilities 6,670 5,265
Total liabilities 142,611 136,319
Commitments and contingencies (Note 6)
Stockholders’ Equity:    
Series A Convertible preferred stock; 2,304,147 shares issued and none outstanding at September 30, 2024; no shares issued or outstanding at December 31, 2023 0 0
Common stock, $0.001 par value; 450,000,000 shares authorized; 363,020,303 and 245,792,668 shares issued, respectively 363 245
Additional paid-in capital 2,115,891 1,862,558
Accumulated deficit (1,933,476) (1,766,839)
Accumulated other comprehensive income 349 31
Treasury stock, at cost, 1,528,008 and 867,973 shares, respectively (4,615) (2,885)
Total stockholders’ equity 178,512 93,110
Total liabilities and stockholders’ equity $ 321,123 $ 229,429