v3.25.1
Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Cash flows from operating activities    
Net Loss $ (12,257) $ (12,347)
Adjustments to reconcile net loss to cash used in operating activities:    
Depreciation and amortization 101 99
Stock-based compensation 1,338 1,946
Decrease in the carrying amount of right-of-use-assets 781 750
Amortization of debt issuance costs 9 9
Accretion of final payment on term loans 32 33
Changes in operating assets and liabilities:    
Account receivable 945 298
Prepaid expenses and other current assets (1,078) (998)
Deposits 16 0
Other payable 535 0
Accounts payable 961 418
Accrued expenses 1,322 1,071
Research and development contract liability (85) (322)
Operating lease liability (792) (741)
Net cash used in operating activities (8,172) (9,784)
Cash flows from investing activities    
Purchases of property and equipment (150) (55)
Net cash used in investing activities (150) (55)
Cash flows from financing activities    
Proceeds from ATM offering, net of sales agent commission and fees 0 3,354
Repayment of term loans (1,000) (1,000)
Net cash provided by financing activities (1,000) 2,354
Net (decrease) increase in cash, cash equivalents, and restricted cash (9,322) (7,485)
Cash, cash equivalents, and restricted cash at beginning of period 22,611 48,665
Cash, cash equivalents, and restricted cash at end of period 13,289 41,180
Supplemental disclosures of non-cash investing and financing activities:    
Cash paid for interest $ 90 $ 209