v3.26.3
CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Cash Flows From Operating Activities:    
Net income (loss) $ (42,908) $ (31,555)
Adjustments to reconcile net income (loss) to net cash used in operating activities:    
Depreciation and amortization 21,362 19,947
Share-based compensation 1,183 2,099
Gain (loss) on extinguishment of debt 0 (17,333)
Common stock issued for services 71 (0)
Gain on convertible note derivatives 0 (1,357)
Impairment expense 1,608 0
Transaction costs incurred in troubled debt restructuring (0) (837)
Accretion of asset retirement obligations 99 80
Amortization of debt issuance costs and discount - convertible notes 0 1,095
Amortization of right of use asset 77 141
Interest earned on reclamation bond (64) (21)
Other 0 (4)
Change in:    
Prepaid expenses and other current assets 143 1,136
Reclamation bond deposits (600) (1,200)
Accounts payable and accrued liabilities 33 4,169
Asset retirement settlements (44) 0
Net cash used in operating activities (19,040) (23,640)
Cash Flows From Investing Activities:    
Construction in progress (1,179) (1,941)
Properties, plant and equipment additions (6,558) (124)
Properties, plant and equipment disposals / refunds received 200 96
Other assets (85) 0
Net cash used in investing activities (7,622) (1,969)
Cash Flows From Financing Activities:    
Proceeds from issuance of common stock and warrants, net of issuance costs 40,391 9,642
Proceeds from warrant exercises 2,000 0
Proceeds from debt exchange transaction, net of issuance costs 0 4,891
Proceeds from issuance of convertible notes 0 11,000
Debt issuance costs 0 (764)
Proceeds from note payable 60 0
Payments on notes payable (103) (42)
Taxes paid for equity award vesting (72) (178)
Net cash provided by financing activities 42,276 24,549
Net increase (decrease) in cash and cash equivalents 15,614 (1,060)
Cash and cash equivalents at beginning of period 3,836 4,896
Cash and cash equivalents at end of period 19,450 3,836
Supplemental Disclosure of Cash Flow Information:    
Cash paid for interest 18 3
Cash paid for taxes 179 0
Noncash Investing and Financing Activities:    
Construction in progress transferred to properties, plant and equipment (Note 4) 2,119 0
Accounts payable and accrued liabilities change related to capital additions (3,472) 180
Accounts payable and accrued liabilities change related to debt issuance costs (0) (271)
Accounts payable and accrued liabilities change related to equity issuance costs (238) 238
Interest paid through issuance of additional convertible notes (Note 7) 0 7,441
Increase in asset retirement costs 0 141
Convertible note derivatives liability reclassification to equity (Note 10) 0 3,601
Net fair value of equity interest exchanged for convertible notes (Note 7 and 10) $ 0 $ 65,059