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Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Cash flows from operating activities:      
Net income (loss) $ (58,990) $ (57,429) $ 36,262
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:      
Depreciation and amortization 13,437 11,021 10,838
Allowance for expected credit losses 245 697 1,718
Recovery of related party receivable (50) (335)
Provision for obsolete and excess inventory 3,400 9,537 8,274
Stock-based compensation 33,660 33,939 6,285
Impairment of equity method investment 2,281
Loss from equity method investment 7,374
Gain from sales of investment (6,835) (1,669)
Change in fair value of warrant liabilities (11) (1,063) (61)
Loss on disposal of property and equipment 180 431 83
Gain from disposal of subsidiary (2,043)
Unrealized loss on marketable securities 4 55 101
Deferred income taxes (679) 12,499 (12,698)
Changes in operating assets and liabilities:      
Accounts receivable 2,758 (21,969) 788
Inventories 16,781 78,766 (70,830)
Prepaid expenses 3,583 905 (2,152)
Other assets 7,086 9,982 (50,919)
Accounts payable (898) (14,063) (20,072)
Accrued liabilities and other liabilities (12,063) (34,449) 41,547
Deferred revenue (5,497) (8,941) (7,443)
Dues from affiliate (3)
Net cash provided by (used in) operating activities (3,839) 20,480 (53,286)
Cash flows from investing activities:      
Payments to acquire property and equipment (30,265) (9,190) (13,839)
Proceeds on disposal of property and equipment 176 1 1
Proceeds from sale of investment 15,835 5,419
Net cash used in investing activities (14,254) (3,770) (13,838)
Cash flows from financing activities:      
Borrowings under line of credit 66,502 46,188 787
Repayments under line of credit (65,098) (45,742)
Repayments of long-term debt (264) (274) (285)
Cash received from common control asset transaction 11,426
Proceeds from exercise of warrants 538
Proceeds from exercise of stock options 1,194 2,890 270
Payments for employee taxes related to stock compensation (774) (1,514)
Net cash provided by financing activities 1,560 1,548 12,736
Foreign currency effect on cash, cash equivalents and restricted cash (499) 918 972
Net increase (decrease) in cash, cash equivalents and restricted cash (17,032) 19,176 (53,416)
Cash, cash equivalents and restricted cash:      
Beginning of period 123,506 104,330 157,746
End of period 106,474 123,506 104,330
Supplemental disclosures of cash flow information:      
Cash paid for interest 1,265 558 268
Cash paid for income taxes 342 4,963 6,374
Supplemental schedule of noncash investing activities      
Cashless exercise of stock options 723 677
ROU assets exchanged for lease liabilities $ 18,861 $ 7,517 $ 60,672