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Consolidated Condensed Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($)
shares in Thousands, $ in Thousands
Sep. 30, 2025
Dec. 31, 2024
Cash and cash equivalents $ 5,584 $ 898
Accounts receivable 1,649 1,805
Inventories 4,777 25,442
Prepaid expenses 1,633 1,842
Tax credit sale receivable 0 12,300
Other current assets 1,911 2,409
Property, plant and equipment, net 209,965 199,392
Operating lease right-of-use assets 2,370 2,237
Other assets 13,230 12,977
Accounts payable 29,903 33,139
Current portion of long term debt 266,106 63,745
Short term borrowings 20,609 26,789
Other Liabilities, Current 26,747 20,295
Other long term debt 48,288 56,201
Series A preferred units 131,010 126,593
Other Liabilities, Noncurrent $ 4,808 $ 5,142
Common Stock, Par Value (in dollars per share) $ 0.001 $ 0.001
Common Stock, Shares Authorized (in shares) 80,000 80,000
Common Stock, Shares Issued (in shares) 65,000 51,139
Common Stock, Shares Outstanding (in shares) 65,000 51,139
Variable Interest Entity, Primary Beneficiary [Member]    
Cash and cash equivalents $ 224 $ 0
Accounts receivable 137 57
Inventories 186 157
Prepaid expenses 40 85
Tax credit sale receivable 0 8,125
Other current assets 2 2
Property, plant and equipment, net 102,463 97,363
Operating lease right-of-use assets 1,068 648
Other assets 6,158 6,057
Accounts payable 7,962 5,917
Current portion of long term debt 1,266 1,004
Short term borrowings 0 290
Other Liabilities, Current 338 1,920
Other long term debt 48,261 47,803
Series A preferred units 131,010 126,593
Other Liabilities, Noncurrent $ 931 $ 475