v3.26.1
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Dec. 31, 2025
Cash flows from operating activities:            
Net loss     $ (17,921) $ (18,643)    
Adjustments to reconcile net loss to net cash used in operating activities:            
Depreciation $ 264 $ 283 538 512    
Stock-based compensation expense     1,550 1,492    
Loss on disposal of property and equipment, net     6 0    
Change in fair value of warrant liabilities 571 (46) 812 (1,664)    
Amortization of debt discount and issuance costs     129      
Other     16 15    
Changes in assets and liabilities:            
Accounts receivable, net     1,037 899    
Unbilled receivables     (304) 457    
Inventory     274 733    
Prepaid expenses and other current assets     (669) (749)    
Other long term assets     170 (34)    
Accounts payable     (1,603) 1,339    
Deferred grant funding     349 130    
Deferred revenue     223 (230)    
Due to related parties     11 (2)    
Accrued expenses and other current liabilities     (897) (1,404)    
Operating lease liabilities, net     3 (10)    
Net cash used in operating activities     (16,276) (17,159)    
Cash flows from investing activities:            
Purchases of property and equipment     (272) (992)    
Net cash used in investing activities     (272) (992)    
Cash flows from financing activities:            
Proceeds from issuance of debt, net     13,641      
Proceeds from exercise of stock options     254 37    
Net cash provided by financing activities     25,270 6,056    
Net increase (decrease) in cash and cash equivalents and restricted cash     8,722 (12,095)    
Cash, cash equivalents and restricted cash, beginning of period     36,042 37,673 $ 25,578  
Cash, cash equivalents and restricted cash, end of period 44,764 25,578 44,764 25,578 44,764  
Reconciliation of cash, cash equivalents, and restricted cash reported in the balance sheets            
Cash and cash equivalents 43,458 25,420 43,458 25,420 43,458 $ 35,085
Restricted cash 1,306 158 1,306 158 1,306  
Total cash, cash equivalents and restricted cash $ 44,764 $ 25,578 44,764 25,578 $ 44,764 $ 36,042
Supplemental disclosure of noncash information:            
Issuance of warrants in connection with Loan Agreement, net     495      
Initial measurement of warrant liabilities       2,858    
Unpaid purchase of property and equipment     5 86    
Noncash acquisition of fixed assets     27      
Unpaid debt issuance and financing costs     15 2    
Class A Common Stock | At-the-market Offering Program            
Cash flows from financing activities:            
Gross proceeds from issuance of common stock     $ 11,375 835    
Class A Common Stock | February 2025 Offering            
Cash flows from financing activities:            
Gross proceeds from issuance of common stock       $ 5,184