v3.26.1
Condensed Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Cash flows from operating activities:    
Net income (loss) $ 77,788 $ (14,945)
Adjustments to reconcile net income (loss) to net cash used in operating activities:    
Gain on sale of PWSH (85,153) 0
Stock-based compensation 1,097 1,490
Depreciation and amortization 130 1,401
Reversal of uncertain tax positions (87) (261)
Deferred income tax expense 28 23
Loss on asset disposal 14 34
Changes in operating assets and liabilities:    
Accounts receivable, net 0 741
Inventories 0 127
Prepaid expenses and other current and long-term assets, net 456 699
Accounts payable 520 84
Accrued current and long-term liabilities (1,111) (1,049)
Income taxes payable 23 388
Net cash used in operating activities (6,295) (11,268)
Cash flows from investing activities:    
Proceeds from sale of PWSH, net of cash disposed of and transaction costs 44,437 0
Purchases of property and equipment (134) (240)
Asset related government subsidies received 0 754
Net cash provided by investing activities 44,303 514
Cash flows from financing activities:    
Repurchase of common stock (3,192) 0
Proceeds from issuance of common stock under employee equity incentive plans 5 29
Net proceeds from "registered direct offering" 0 1,341
Net proceeds from "at the market" equity offering 0 558
Payments on asset financings 0 (566)
Net cash (used in) provided by financing activities (3,187) 1,362
Net increase (decrease) in cash and cash equivalents 34,821 (9,392)
Cash and cash equivalents, beginning of period 18,067 23,647
Cash and cash equivalents, end of period 52,888 14,255
Supplemental disclosure of cash flow information:    
Cash paid during the period for income taxes, net of refunds received 25 386
Cash paid during the period for interest 0 47
Non-cash investing and financing activities:    
Acquisitions of property and equipment and other assets, unpaid at period end. $ 3 $ 461