v3.26.1
Condensed Consolidated Statement of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Operating activities    
Net loss $ (3,224) $ (2,964)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:    
Depreciation 0 530
Amortization of finance lease right-of-use assets 13 18
Net accretion of premium and discount on investments (281) (1)
Investment income in unconsolidated variable interest entity 0 (1,108)
Gain on deconsolidation of subsidiary (30,940) 0
Loss on divestiture 66 0
Impairment of property and equipment 0 2,062
Stock-based compensation 2,135 4,725
Changes in operating assets and liabilities:    
Accounts receivable, net (131) (3,001)
Inventories 359 4,210
Prepaid expenses and other current assets 360 51,479
Operating lease right-of-use assets 0 620
Other assets 108 549
Accounts payable 3,765 (21,692)
Accrued and other liabilities 4,041 (30,700)
Operating lease liabilities, current 0 (434)
Deferred revenues 2,469 7,537
Accrued interest expense related to sale of future revenues 3,396 3,684
Accrued interest for finance lease liabilities (13) (11)
Operating lease liabilities, non-current 0 (205)
Other long-term liabilities (1) 103
Net cash provided (used) in operating activities (17,878) 15,401
Investing activities    
Purchases of property and equipment 0 (29)
Proceeds from divestiture 4,000
Cash paid related to divestiture (61)
Cash deconsolidated upon loss of control of subsidiary (5) 0
Purchases of available-for-sale securities (15,004) 0
Proceeds from maturities of investments 31,761 0
Net cash provided (used) by investing activities 20,691 (29)
Financing activities    
Repayments of finance lease liabilities 0 (2)
Cash paid for payroll taxes on restricted stock unit releases (12) (49)
Payment of issuance cost under ATM Program 0 (46)
Net cash used in financing activities (12) (97)
Effect of exchange rate change on cash and cash equivalents (29) 2,388
Net increase in cash and cash equivalents 2,772 17,663
Total cash and cash equivalents at beginning of period 47,872 102,178
Total cash and cash equivalents at end of period $ 50,644 $ 119,841