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Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Cash flows from operating activities:      
Net loss $ (43,328) $ (58,990) $ (57,429)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:      
Depreciation and amortization 10,703 13,437 11,021
Allowance for expected credit losses 1,208 245 697
Recovery of related party receivable (50)
Provision for obsolete and excess inventory 3,846 3,400 9,537
Stock-based compensation 27,255 33,660 33,939
Impairment of equity method investment 2,281
Gain from sales of investment (1,619) (6,835) (1,669)
Change in fair value of warrant liabilities (4) (11) (1,063)
Loss on disposal of property and equipment 600 180 431
Unrealized loss on marketable securities 5 4 55
Deferred income taxes 726 (679) 12,499
Changes in operating assets and liabilities:      
Accounts receivable 14,473 2,758 (21,969)
Inventories 32,882 16,781 78,766
Prepaid expenses (850) 3,583 905
Other assets 17,416 7,086 9,982
Accounts payable (57,403) (898) (14,063)
Accrued liabilities and other liabilities (8,365) (12,063) (34,449)
Deferred revenue 1,634 (5,497) (8,941)
Net cash provided by (used in) operating activities (821) (3,839) 20,480
Cash flows from investing activities:      
Payments to acquire property and equipment (3,618) (30,265) (9,190)
Proceeds on disposal of property and equipment 2,194 176 1
Proceeds from sale of investment 3,869 15,835 5,419
Net cash provided by (used in) investing activities 2,445 (14,254) (3,770)
Cash flows from financing activities:      
Borrowings under line of credit 72,479 66,502 46,188
Repayments under line of credit (72,474) (65,098) (45,742)
Repayments of long-term debt (1,325) (264) (274)
Proceeds from exercise of stock options 113 1,194 2,890
Payments for employee taxes related to stock compensation (1,343) (774) (1,514)
Repurchase and retirement of common stock (3,503)
Net cash provided by (used in) financing activities (6,053) 1,560 1,548
Foreign currency effect on cash, cash equivalents and restricted cash (2,303) (499) 918
Net increase (decrease) in cash, cash equivalents and restricted cash (6,732) (17,032) 19,176
Cash, cash equivalents and restricted cash:      
Beginning of period 106,474 123,506 104,330
End of period 99,742 106,474 123,506
Supplemental disclosures of cash flow information:      
Cash paid for interest 1,404 1,265 558
Cash paid for income taxes 223 342 4,963
Supplemental schedule of noncash investing activities      
Cashless exercise of stock options 9,667 723
ROU assets exchanged for lease liabilities $ 69 $ 18,861 $ 7,517