v3.26.1
Condensed Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Cash flows from operating activities    
Net loss $ (8,379) $ (4,662)
Adjustments to reconcile net loss to net cash used in operating activities    
Depreciation and amortization 1,132 668
Amortization of debt discounts 50 63
Stock-based compensation expense 726 127
Realized gain on marketable securities (161) (162)
Other 120 0
Change in operating assets and liabilities    
Trade accounts receivable (2,389) (1,459)
Inventory (238) 851
Prepaid expenses (187) (550)
Accounts payable (3,219) (2,122)
Other current assets and liabilities 187 769
Net cash used in operating activities (12,358) (6,477)
Cash flows from investing activities    
Fixed asset purchases (2,735) (843)
Purchases of marketable securities (18,170) (20,060)
Sales of marketable securities 17,783 7,833
Net cash used in investing activities (3,122) (13,070)
Cash flows from financing activities    
Proceeds from exercise of common stock options 101 32
Proceeds from exercise of preferred stock warrants 0 130
Proceeds from Series E convertible preferred stock, net of issuance cost 0 19,632
Net cash provided by financing activities 101 19,794
Net change in cash for period (15,379) 247
Cash and cash equivalents, beginning of period 26,871 6,123
Cash and cash equivalents, end of period 11,492 6,370
Supplemental cash flows information    
Cash paid for interest 413 431
Non-cash investing and financing activities    
Series E convertible preferred stock issuance cost in other current liabilities 0 90
Fixed asset purchases included in accounts payable $ 1,369 $ 263