v3.26.1
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Operating activities:    
Net Income (Loss) $ (13,041) $ 3,102
Adjustments to reconcile net income (loss) to net cash provided by operating activities:    
Depreciation and amortization 7,734 7,230
Stock-based compensation 30,986 25,545
Accretion of discount or amortization of premium on investments (394) (1,117)
Amortization of debt issuance costs 987 830
Loss on fixed asset disposal 107  
Induced conversion expense related to convertible notes 11,938 0
Deferred tax expense (205) (192)
Changes in operating assets and liabilities:    
Accounts receivable (358) 1,930
Inventory (6,570) 3,241
Prepaid expenses and other assets (167) 808
Accounts payable 2,447 (5,416)
Accrued compensation and employee related benefits 2,501 (13,173)
Accrued and other liabilities (972) 7
Operating lease right-of-use assets 794 1,333
Operating lease liabilities 136 (1,792)
Deferred revenue (339) 381
Net cash provided by operating activities 35,584 22,717
Investing activities:    
Purchases of investments (85,887) (107,105)
Proceeds from maturities of investments 90,572 83,820
Purchases of property and equipment (4,166) (8,403)
Net cash provided by (used in) investing activities 519 (31,688)
Financing activities:    
Payment of 2021 Notes (47,031)  
Proceeds from exercise of stock options and employee stock purchase plan 3,157 6,734
Payments of taxes on restricted stock units (1,769) (1,771)
Net cash provided by (used in) financing activities (45,643) 4,963
Effect of exchange rate changes on cash and cash equivalents (93) 372
Net decrease in cash and cash equivalents (9,633) (3,636)
Cash and cash equivalents    
Beginning of period 48,206 46,053
End of period 38,573 42,417
Supplemental disclosure of cash flow information:    
Cash paid for interest 474 1,617
Purchases of property and equipment not yet paid 1,898 860
Lease liabilities arising from obtaining ROU Assets $ 1,274 $ 507