v3.26.1
Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Cash flows from operating activities:    
Net loss $ (12,374) $ (3,479)
Adjustments to reconcile net loss to cash used in operating activities:    
Depreciation expenses 38 162
Share-based compensation 1,036 389
Non-cash operating lease expenses 386 369
Gain on sale of subsidiary interests 0 (6,986)
Changes in assets and liabilities:    
Short-term investments 0 254
Advances to suppliers (59) 3
Prepaid expenses and other current assets (206) (102)
Other noncurrent assets (63) (30)
Accounts payable 5,041 (249)
Accrued expenses (595) 915
Operating lease liabilities (362) (347)
Other current liabilities 710 (62)
Deferred revenue (1,000) (1,000)
Other noncurrent liabilities 399 91
Net cash used in operating activities (7,049) (10,072)
Cash flows from investing activities:    
Acquisitions of property and equipment 0 (50)
Purchase of short-term investments (22,166) (5,000)
Proceeds from maturity of short-term investments 26,640 14,850
Proceeds from sale of subsidiary interests 0 7,354
Net cash provided by investing activities 4,474 17,154
Cash flows from financing activities:    
Capital contribution from noncontrolling interests 280 0
Repayments of loans (4,503) 0
Net cash used in financing activities (4,231) 0
Effect of foreign exchange rate changes    
Effect of foreign exchange rate changes 33 (2)
Net increase (decrease) in cash and cash equivalents (6,773) 7,080
Cash and cash equivalents from continuing operations at beginning of period 7,786 2,922
Cash and cash equivalents from discontinued operations at beginning of period 4,352 13,125
Less: cash and cash equivalents from discontinued operations at end of period 2,668 13,583
Cash and cash equivalents from continuing operations at end of period 2,697 9,544
Supplemental disclosures of cash flow information    
Interest paid 0 0
Interest received 45 188
Income taxes paid 0 1
Non-cash investing and financing activities:    
Operating lease right-of-use assets obtained in exchange for operating lease liabilities 6 39
Parent [Member]    
Cash flows from financing activities:    
Payments of offering costs $ (8) $ 0