v3.26.3
Income Tax - Reconciliation of income tax benefit at the statutory federal income tax rate and income taxes as reflected in the consolidated financial statements (Details) - USD ($)
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Dec. 31, 2024
Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount            
U.S. Statutory Tax Rate         $ (1,791,145) $ (434,260)
State and Local Income Taxes, Net of Federal Income Tax Effect         $ (259,769) $ (86,655)
Effective Income Tax Rate Reconciliation, State and Local Jurisdiction, Contribution Greater than 50 Percent, Tax Effect [Extensible Enumeration]         stpr:DE stpr:DE
Effect of Changes in Tax Laws or Rates Enacted in the Current Period        
Effect of Cross-Border Tax Laws        
U.S. Federal R&D Tax Credits         (118,280) (6,606)
Nontaxable or Nondeductible Items         33,416 (2,721)
Changes in Unrecognized Tax Benefits        
Change in FV of SAFE Liability         733,620 174,237
Income Tax Expense (Benefit), Total $ 0 $ 0 $ 0 $ 0 $ 1,735
Tax Jurisdiction of Domicile [Extensible Enumeration]         country:US country:US
Effective Income Tax Rate Reconciliation, Percent            
U.S. Statutory Tax Rate (in percent) 21.00% 21.00% 21.00% 21.00% 21.00% 21.00%
State and Local Income Taxes, Net of Federal Income Tax Effect (in percent)         3.00% 4.20%
Effect of Changes in Tax Laws or Rates Enacted in the Current Period (in percent)         0.00% 0.00%
Effect of Cross-Border Tax Laws (in percent)         0.00% 0.00%
U.S. Federal R&D Tax Credits (in percent)         1.40% 0.30%
Nontaxable or Nondeductible Items (in percent)         (0.40%) 0.10%
Changes in Unrecognized Tax Benefits (in percent)         0.00% 0.00%
Change in FV of SAFE Liability (in percent)         (8.60%) (8.40%)
Actual income tax benefit effective tax rate (in percent) 0.00% 0.00% 0.00% 0.00% 0.00% 0.00%
Domestic country            
Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount            
Change in valuation allowance         $ 1,171,755 $ 358,029
Effective Income Tax Rate Reconciliation, Percent            
Change in valuation allowance         (13.70%) (17.10%)
Ukraine            
Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount            
Statutory tax rate difference         $ 8,964 $ (289)
Change in valuation allowance         53,786  
Other        
Effective Income Tax Rate Reconciliation, Percent            
Statutory tax rate difference (in percent)         (0.10%) (0.10%)
Change in valuation allowance         (0.60%) 0.00%
Other         0.00% 0.00%
Estonia            
Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount            
Statutory tax rate difference         $ (7,983)  
Change in valuation allowance         175,636  
Other        
Effective Income Tax Rate Reconciliation, Percent            
Statutory tax rate difference (in percent)         0.10% 0.00%
Change in valuation allowance         (2.10%) 0.00%
Other         0.00% 0.00%