Employee Benefit Plans	12 Months Ended
Jun. 30, 2026
Employee Benefit Plans
Employee Benefit Plans	16. Employee Benefit Plans. For all Dutch employees, the Company participates in defined contribution pension plans with an independent insurance company. Defined contributions are expensed in the year in which the related employee services are rendered. The Company makes contributions on behalf of all Dutch employees of which $77,000, $45,000, and $77,000 were made and expensed for the year ended June 30, 2026, six months ended June 30, 2025, and year ended December 31, 2024, respectively. Eligible employees in the United States are able to participate in a 401(k) defined contribution plan. The Company incurred $56,000, $25,000, and $36,000 in 401(k) expense for the year ended June 30, 2026, six months ended June 30, 2025, and year ended December 31, 2024, respectively.

Employee Benefit Plans

12 Months Ended

Jun. 30, 2026

16. Employee Benefit Plans.

For all Dutch employees, the Company participates in defined contribution pension plans with an independent insurance company. Defined contributions are expensed in the year in which the related employee services are rendered. The Company makes contributions on behalf of all Dutch employees of which $77,000, $45,000, and $77,000 were made and expensed for the year ended June 30, 2026, six months ended June 30, 2025, and year ended December 31, 2024, respectively. Eligible employees in the United States are able to participate in a 401(k) defined contribution plan. The Company incurred $56,000, $25,000, and $36,000 in 401(k) expense for the year ended June 30, 2026, six months ended June 30, 2025, and year ended December 31, 2024, respectively.