v3.26.1
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 $ (4,881) $ (43,328) $ (58,990)
Adjustments to reconcile net loss to net cash used in operating activities:      
Depreciation and amortization 7,591 10,703 13,437
Allowance for expected credit losses 133 1,208 245
Provision for obsolete and excess inventory 3,752 3,846 3,400
Stock-based compensation 21,659 27,255 33,660
Gain from sales of investment (1,619) (6,835)
Loss (gain) on disposal of property and equipment (619) 600 180
Unrealized loss on marketable securities 5 4
Deferred income taxes 472 726 (679)
Changes in operating assets and liabilities:      
Accounts receivable 2,269 14,473 2,758
Inventories (70,947) 32,882 16,781
Prepaid expenses (4,083) (850) 3,583
Other assets 10,402 17,416 7,086
Accounts payable 11,610 (57,403) (898)
Accrued liabilities and other liabilities (4,353) (8,369) (12,074)
Deferred revenue 22 1,634 (5,497)
Net cash used in operating activities (26,973) (821) (3,839)
Cash flows from investing activities:      
Payments to acquire property and equipment (2,691) (3,618) (30,265)
Proceeds on disposal of property and equipment 2,796 2,194 176
Proceeds from sale of investment 3,869 15,835
Net cash provided by (used in) investing activities 105 2,445 (14,254)
Cash flows from financing activities:      
Borrowings under line of credit 12,073 72,479 66,502
Repayments under line of credit (13,133) (72,474) (65,098)
Repayments of long-term debt (1,325) (264)
Proceeds from exercise of stock options 3,734 113 1,194
Payments for employee taxes related to stock compensation (2,298) (1,343) (774)
Repurchase and retirement of common stock (3,503)
Proceeds from issuance of common stock under at-the-market offering, net of issuance costs 35,201
Net cash provided by (used in) financing activities 35,577 (6,053) 1,560
Foreign currency effect on cash, cash equivalents and restricted cash 197 (2,303) (499)
Net increase (decrease) in cash, cash equivalents and restricted cash 8,906 (6,732) (17,032)
Cash, cash equivalents and restricted cash:      
Beginning of period 99,742 106,474 123,506
End of period 108,648 99,742 106,474
Supplemental disclosures of cash flow information:      
Cash paid for interest 1,058 1,404 1,265
Cash paid for income taxes 379 223 342
Supplemental schedule of noncash investing activities      
Cashless exercise of stock options 9,667
ROU assets exchanged for lease liabilities $ 3,953 $ 69 $ 18,861