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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Dec. 31, 2023
OPERATING CASH FLOW ACTIVITIES:          
Net loss     $ (48,740) $ (156,797)  
Reconciliation of net loss to net cash used in operating activities          
Depreciation $ 77 $ 79 232 240  
Accretion of debt discount and amortization of financing costs 106 377 245 1,066  
Change in fair value of derivative liabilities     (16,884) (316)  
Stock-based compensation expense     6,355 15,015  
Payable-in-kind interest on Credit Agreement     3,821 1,215  
Loss on disposal of equipment       2  
Operating lease right-of-use assets     227 214  
Changes in operating assets and liabilities          
Accounts receivable     68 (487)  
Inventory     466 (33)  
Prepaid expenses, other current assets and other assets     (1,017) 1,724  
Accounts payable, accrued expenses, due to related parties, and other current liabilities     (997) 9,098  
Accrued interest     (736) 1,153  
Operating lease liabilities     (258) (237)  
Net cash used in operating activities     (57,218) (128,143)  
INVESTING CASH FLOW ACTIVITIES:          
Purchases of equipment and leasehold improvements       (20)  
Net cash from investing activities       (20)  
FINANCING CASH FLOW ACTIVITIES:          
Proceeds from issuance of common stock and warrants     32,687 24,657  
Offering costs for common stock and warrants issuance     (295) (739)  
Payment of employee tax obligations related to vesting restricted stock units     (8) (27)  
Exercise of stock options       508  
Net cash provided by financing activities     32,384 24,399  
Net decrease in cash and cash equivalents     (24,834) (103,764)  
Cash and cash equivalents, beginning of the period     65,221 193,725 $ 193,725
Cash and cash equivalents, end of the period $ 40,387 $ 89,961 40,387 $ 89,961 $ 65,221
Supplemental cash flow information:          
Issuance of stock purchase warrants     $ 224