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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 LOSS $ (3,399) $ (2,752) $ (3,425)
Adjustments to reconcile net income (loss) to net cash used in operating activities:      
Depreciation 43 24 11
Amortization 12 9 9
Bad debt expense 7 2 7
Gain on disposal of investment in securities (76)   (125)
Changes in the fair value of investment in equity securities recognized at fair value 2,110 (409)  
Unrealized foreign exchange (gain) loss (85) 1,022  
Other   3  
Net changes in:      
Accounts receivable (35) 64 3
Prepaid expenses 7 341 (313)
Prepaid licensing and royalty fees 152 (142) 96
Prepaid pension assets 9 (59) (16)
Other assets 272 (141) (151)
Accounts payable (9) (66) 47
Accrued expenses 31 (284) (80)
Other liabilities (232) (121) (198)
Net cash used in operating activities (1,193) (2,509) (4,135)
CASH FLOWS FROM INVESTING ACTIVITIES:      
Purchase of investment in securities (105)    
Purchases of property, plant and equipment (52) (52) (76)
Increase in intangible assets (6) (18) (17)
Proceeds from disposal of investment in securities 1,000   80
Increase in refundable deposits     (4)
Net cash provided by (used in) investing activities 837 (70) (17)
CASH FLOWS FROM FINANCING ACTIVITIES:      
Net foreign currency exchange differences on cash, cash equivalents and restricted cash 32 (75) (89)
NET DECREASE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH (324) (2,654) (4,241)
CASH, CASH EQUIVALENTS AND RESTRICTED CASH AT BEGINNING OF YEAR 39,107 41,761 46,002
CASH, CASH EQUIVALENTS AND RESTRICTED CASH AT END OF YEAR $ 38,783 $ 39,107 41,761
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION:      
Income tax refunded during the year     $ (2)