v3.26.3
Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Cash flows from operating activities:    
Net loss $ (37,121) $ (22,463)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:    
Depreciation and amortization 5,987 5,683
Amortization of operating lease-right-of use assets 2,921 3,249
Stock-based compensation 15,054 19,058
Loss on disposal of property and equipment 234 355
Provision for credit losses 851 102
Provision for excess and obsolete inventory 831 467
Deferred income taxes (183) (5,019)
Gain on investments, accretion, and amortization, net (3,424) (4,461)
Interest expenses for accretion of the legal settlement liabilities (105) 433
Other non-cash expense (income), net 1,835 0
Change in operating assets and liabilities:    
Trade accounts receivable 1,537 6,514
Inventories (4,708) (7,295)
Prepaid expenses and other assets 4,739 695
Trade accounts payable (1,444) 1,757
Accrued expenses and other liabilities 4,499 (739)
Legal settlement liabilities (863) (840)
Operating lease liabilities 1,017 (3,276)
Deferred revenue 2,523 1,865
Net cash (used in) operating activities (5,820) (3,915)
Cash flows from investing activities:    
Purchases of marketable securities (210,539) (201,047)
Proceeds from maturities of marketable securities 194,595 216,106
Proceeds from sale of property and equipment 80 57
Purchase of property and equipment (5,891) (3,083)
Purchase of intangible assets (103) (74)
Net cash (used in) investing activities (21,858) 11,959
Cash flows from financing activities:    
Repayment of loan (4,847) (1,805)
Proceeds from Employee Stock Purchase Plan 851 703
Payments for taxes related to net share settlement of equity awards (687) (402)
Proceeds from issuance of common stock under employee stock plans 1,120 240
Proceeds from line of credit 6,169 4,166
Payments for repurchase of shares 0 (15,108)
Net cash provided by (used in) financing activities 2,606 (12,206)
Effect of exchange rate changes on cash, cash equivalents, and restricted cash 1,410 (1,303)
Cash, cash equivalents, and restricted cash:    
Net (decrease) in cash, cash equivalents, and restricted cash (23,662) (5,465)
Cash, cash equivalents, and restricted cash at beginning of period 90,853 98,745
Cash, cash equivalents, and restricted cash at end of period 67,191 93,281
Supplemental disclosure of cash flow information:    
Cash paid for taxes, net of refunds (3,033) 25
Interest received on tax refunds (180) 0
Non-cash investing and financing activities:    
Fixed asset purchases in accounts payable or accrued purchases at period end 44 85
Transfer of inventory to property and equipment 156 122
Intangible asset in accounts payable or accrued expenses at period end 0 11
Operating lease right-of-use assets obtained in exchange for operating lease liabilities $ 1,266 $ 3,947