v3.25.4
Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Cash flows from operating activities      
Net loss $ (54,003) $ (56,394)  
Adjustments to reconcile net loss to net cash used in operating activities      
Stock-based compensation expense 21,233 22,955  
Impairment of capitalized software development costs 0 1,717  
Change in allowance for credit losses 0 40  
Inventory write-down (recovery), net 143 75  
Depreciation and amortization expense 1,054 1,493  
Amortization of debt discount and debt issuance costs 53 52  
Net accretion of discounts on marketable securities (379) (1,616)  
Non-cash lease expense 1,448 1,844  
Net changes in operating assets and liabilities:      
Accounts receivable 1,075 (1,308)  
Inventory (765) (229)  
Prepaid expenses and other current assets 813 (436)  
Other assets (142) (546)  
Accounts payable 270 2,278  
Accrued liabilities (2,279) 462  
Income taxes payable 194 (38)  
Lease liabilities (955) (1,870)  
Deferred tax liability (15) (50)  
Deferred revenue (121) 34  
Net cash used in operating activities (32,376) (31,537)  
Cash flows from investing activities      
Purchases of investments (5,651) (27,914)  
Maturities of investments 36,585 46,837  
Purchases of property and equipment (452) (1,447)  
Net cash provided by investing activities 30,482 17,476  
Cash flows from financing activities      
Repayment of credit agreement (100) (95)  
Debt issuance cost (70) 0  
Proceeds from exercise of common stock options 249 218  
Proceeds from issuance of common stock under the employee stock purchase plan 754 1,240  
Net cash provided by financing activities 833 1,363  
Effect of exchange rate changes on cash, cash equivalents, and restricted cash (92) 76  
Net decrease in cash, cash equivalents, and restricted cash (1,153) (12,622)  
Cash, cash equivalents, and restricted cash at beginning of year 71,162 83,784  
Cash, cash equivalents, and restricted cash at end of year 70,009 71,162 $ 83,784
Reconciliation of cash, cash equivalents, and restricted cash to consolidated balance sheets:      
Cash and cash equivalents 69,751 70,905  
Restricted cash 258 257  
Cash, cash equivalents, and restricted cash in consolidated balance sheets 70,009 71,162 83,784
Supplemental non-cash items:      
Purchases of property and equipment in accounts payable and accrued liabilities 8 218  
Supplemental disclosure of cash flow information:      
Cash paid for income taxes 468 556 $ 500
Cash paid for interest $ 3,113 $ 3,482