v3.26.3
Prepaid expenses and other current assets (Details) - USD ($)
Jun. 30, 2026
Dec. 31, 2025
Prepaid expenses and other current assets    
Withholding tax receivables $ 1,627,809 $ 1,454,429
Other assets 60,468 60,468
Refundable deposits 197,670 150,901
Prepaid expenses 155,609 140,769
Total $ 2,041,556 $ 1,806,567