v3.26.1
Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended 24 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Mar. 31, 2026
Cash flows from operating activities        
Net loss $ (18,581) $ (16,795)    
Adjustments to reconcile net loss to net cash used in operating activities:        
Depreciation 88 117    
Amortization of intangible assets 167 166    
Stock-based compensation 1,912 5,681    
Non-cash lease expense 308 274    
Write-off of deferred issuance costs 281 0    
Other 62 0    
Changes in operating assets and liabilities:        
Accounts receivable 55 0    
Inventory (70) (30)    
Prepaid expenses and other current assets (129) (281)    
Other non-current assets 3 (1)    
Accounts payable (148) 712    
Accrued liabilities 1,832 (3,043)    
Lease liabilities, net (375) (321)    
Net cash used in operating activities (14,595) (13,521)    
Cash flows from investing activities:        
Purchases of property and equipment (33) (45)    
Net cash used in investing activities (33) (45)    
Cash flows from financing activities:        
Proceeds from issuance of common stock under employee stock purchase plan 465 352    
Proceeds from exercises of warrants, net of issuance costs 130 14,075 $ 14,100 $ 63,700
Proceeds from exercises of stock options 1,674 380    
Payment of deferred issuance costs in relation to registration statements (57) 0    
Net cash provided by financing activities 2,212 14,807    
Net (decrease) increase in cash and cash equivalents (12,416) 1,241    
Cash and cash equivalents at beginning of period 80,735 118,038 118,038  
Cash and cash equivalents at end of period 68,319 119,279 $ 80,735 $ 68,319
Supplemental disclosure of noncash investing and financing activities:        
Proceeds from exercise of warrants and stock options not yet received 88 0    
Unpaid issuance costs in relation to registration statements 111 0    
Unpaid amounts related to purchase of equipment 28 26    
Unpaid warrant issuance costs $ 3 $ 11