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Consolidated Condensed Balance Sheets (Current Period Unaudited) - USD ($)
$ in Thousands
Mar. 31, 2025
Dec. 31, 2024
Current assets:    
Cash and cash equivalents $ 499 $ 898
Accounts receivable 1,043 1,805
Inventories 22,930 25,442
Prepaid expenses 1,870 1,842
Tax credit sale receivable 0 12,300
Other current assets 2,151 2,409
Total current assets 28,493 44,696
Property, plant and equipment, net 199,435 199,392
Operating lease right-of-use assets 2,124 2,237
Other assets 12,466 12,977
Total assets 242,518 259,302
Liabilities, Current [Abstract]    
Accounts payable 32,115 33,139
Current portion of long term debt 93,669 63,745
Short term borrowings 25,878 26,789
Other current liabilities 22,939 20,295
Total current liabilities 174,601 143,968
Liabilities, Noncurrent [Abstract]    
Senior secured notes and revolving notes 145,051 169,826
EB-5 notes 17,000 21,500
Other long term debt 54,693 56,201
Series A preferred units 126,759 126,593
Other long term liabilities 5,109 5,142
Total long term liabilities 348,612 379,262
Stockholders' deficit:    
Common stock, $0.001 par value; 80,000 authorized; 54,042 and 51,139 shares issued and outstanding each period, respectively 54 51
Additional paid-in capital 313,075 305,329
Accumulated deficit (587,471) (562,942)
Accumulated other comprehensive loss (6,353) (6,366)
Total stockholders' deficit (280,695) (263,928)
Total liabilities and stockholders' deficit $ 242,518 $ 259,302