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SEGMENT INFORMATION
 6 Months Ended
Jun. 30, 2026
Segment Reporting [Abstract]  
SEGMENT INFORMATION SEGMENT INFORMATION
The Company conducts business as a single operating segment. In reaching this conclusion, management considers the definition of the (“CODM”), how the business is defined by the CODM, the nature of the information provided to the CODM, and how that information is used to make operating decisions, allocate resources, and assess performance. The Company’s CODM is the chief executive officer. The results of operations provided to and analyzed by the CODM are at the consolidated level which is the level that the CODM manages the business, allocates resources, makes key resource decisions, and assesses performance.
The key measure of segment profit and loss that the CODM uses to allocate resources and assess performance is the Company’s net loss. The table below shows a reconciliation of the Company’s net loss, including the significant expense categories regularly provided to and reviewed by the CODM, as computed under U.S. GAAP to the Company’s total net loss in the condensed consolidated statements of operations and comprehensive loss:
Three Months Ended June 30,Six Months Ended June 30,
2026202520262025
Operating expenses
Reimbursement from JDAs and others$198 $214 $3,608 $248 
Payroll expense(5,880)(5,949)(11,740)(14,082)
Occupancy expense(1,039)(1,516)(1,898)(3,013)
Professional service expense (3,028)(673)(3,944)(1,279)
Research and development expense (1,617)(991)(2,550)(1,528)
Depreciation expense (920)(1,987)(1,802)(3,971)
Other operating expense (675)(500)(1,126)(899)
Loss from operations$(12,961)$(11,402)$(19,452)$(24,524)
Total other income (expense), net 1,620 833 (464)1,085 
Net loss$(11,341)$(10,569)$(19,916)$(23,439)
Assets provided to CODM are consistent with those reported on the condensed consolidated balance sheets with particular emphasis on the Company’s available liquidity, including its cash and cash equivalents reduced by current liabilities. All long-lived assets are maintained in, and all losses are attributable to the United States of America and South Korea.