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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Operating Activities:    
Net loss $ (16,381) $ (9,825)
Reconciliation of net loss to cash used in operations:    
Non-cash lease expense 99 88
Depreciation and amortization 550 187
Write-down of raw material inventory 0 964
Stock compensation expense 2,404 920
Effect of changes in operating working capital items:    
(Increase) decrease in other long-term assets (477) 3,171
Increase (decrease) in prepaids and other current assets 90 (358)
Increase (decrease) in payables and accrued liabilities (42) 1,093
Net Cash Used In Operating Activities (7,933) (3,760)
Investing Activities:    
Capital expenditures (6,241) (5,036)
Proceeds from sale of assets 257 1,500
Net Cash Used In Investing Activities (5,984) (3,536)
Financing Activities:    
Issuance of Common Stock, net of issuance costs 13,350 1,089
Payment of Convertible Notes issuance costs (304)  
Payment of debt issuance costs (139)  
Payment of minimum withholding taxes on net share settlements of equity awards (351) (96)
Payments on finance lease liabilities (4) (4)
Net Cash Provided By Financing Activities 22,552 989
Net increase (decrease) in Cash and Cash Equivalents 8,635 (6,307)
Cash and Cash Equivalents, Beginning of Period 4,272 10,852
Cash and Cash Equivalents, End of Period 12,907 4,545
Supplemental Cash Flow Information    
Accrued capital expenditures (at end of period) 3,293 5,790
Accrued debt issuance costs (at end of period) 1,619  
Total Supplemental Cash Flow Information 10,792 $ 5,790
Series A-1 Convertible Notes    
Reconciliation of net loss to cash used in operations:    
Convertible Notes loss 4,310  
Financing Activities:    
Proceeds from Convertible Notes 5,000  
Supplemental Cash Flow Information    
Common Stock issued for Convertible Notes 3,576  
Series B-1 Convertible Notes    
Reconciliation of net loss to cash used in operations:    
Convertible Notes loss 1,514  
Financing Activities:    
Proceeds from Convertible Notes 5,000  
Supplemental Cash Flow Information    
Common Stock issued for Convertible Notes $ 2,304