v3.25.2
Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Jun. 30, 2025
Accounting Policies [Abstract]  
Schedule of cash and cash equivalents
The following table is a reconciliation of the total cash and cash equivalents and restricted cash in the accompanying consolidated statements of cash flows and their corresponding balance sheet presentation:

June 30,
20252024
Cash and cash equivalents$39,438,983 $74,745,897 
Restricted cash5,722,374 — 
Total cash, cash equivalents and restricted cash$45,161,357 $74,745,897 
Property, Plant and Equipment
Depreciation is calculated on a straight-line basis over the expected useful lives of the asset as follows:
Leasehold improvements
Shorter of useful life (5 years) or unexpired period of lease term
The following table summarizes the carrying amounts of held property, plant and equipment, including leasehold improvements, as of June 30, 2025 and 2024:
June 30,
20252024
Leasehold improvements - at cost
$535,276 $567,296 
Sand Mining Permits292,918 — 
Total property, plant and equipment828,194 567,296 
Less: Accumulated depreciation
(520,455)(465,052)
Total plant and equipment - net
$307,739 $102,244