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Revenues (Tables)
 12 Months Ended
Dec. 31, 2023
Revenues [Abstract]  
Schedule of Revenues
   Years ended December 31, 
(In thousands)  2021   2022   2023 
Revenues from services               
—Data connectivity services   26,430    35,483    46,745 
International data connectivity services   21,672    28,085    37,928 
Local data connectivity services   4,758    7,398    8,817 
—PaaS and SaaS services   10,770    9,819    10,425 
—Others   598    926    1,400 
    37,798    46,228    58,570 
Sales of products               
—Sales of terminals   27,408    21,748    24,369 
—Sales of data related products   5,843    3,230    2,150 
—Others   2,775    255    487 
    36,026    25,233    27,006 
Total   73,824    71,461    85,576 
Schedule of Disaggregation of Revenue In the following table, revenue is geographically disaggregated according to the locations of the customers.
   Years ended December 31, 
(In thousands)  2021   2022   2023 
Japan   35,883    28,088    37,122 
North America   24,183    27,183    24,074 
Southeast Asia   4,173    4,912    4,605 
Mainland China   3,842    1,883    11,156 
Hong Kong SAR   2,199    4,166    1,660 
Europe   1,845    3,361    4,207 
Others   1,457    1,264    1,884 
Taiwan   242    604    868 
Total   73,824    71,461    85,576