v3.26.3
Schedule of property and equipment, net (Details) - USD ($)
Jun. 30, 2026
Jun. 30, 2025
Property, Plant, and Equipment [Line Items]    
Total, at cost $ 56,778,142 $ 53,705,963
Less: Accumulated depreciation (26,789,934) (21,972,674)
Total, net 29,988,208 31,733,289
Dry-docking Expenditures [Member]    
Property, Plant, and Equipment [Line Items]    
Total, at cost 18,694,262 15,998,313
Furniture and Fixtures [Member]    
Property, Plant, and Equipment [Line Items]    
Total, at cost 70,634 68,964
Vehicles [Member]    
Property, Plant, and Equipment [Line Items]    
Total, at cost 296,828 284,462
Real Property [Member]    
Property, Plant, and Equipment [Line Items]    
Total, at cost 825,791 836,276
Renovation and Improvements [Member]    
Property, Plant, and Equipment [Line Items]    
Total, at cost 200,431 195,967
Tools and Equipment [Member]    
Property, Plant, and Equipment [Line Items]    
Total, at cost 2,290,278 1,922,063
Vessels [Member]    
Property, Plant, and Equipment [Line Items]    
Total, at cost $ 34,399,918 $ 34,399,918