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Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)
$ in Thousands
Mar. 31, 2025
Dec. 31, 2024
Current assets:    
Cash and cash equivalents $ 9,003 $ 8,987
Accounts receivable, net 4,692 6,239
Inventories, net 228 345
Prepaid expenses and other current assets 1,510 1,902
Total current assets 15,433 17,473
Property, plant and equipment:    
Cost 117,456 117,246
Less: accumulated depreciation (67,167) (65,518)
Property, Plant and Equipment, Net 50,289 51,728
Goodwill 4,314 4,314
Investments in foreign joint ventures 12,140 11,659
Right-of-use assets and other noncurrent assets 884 410
Total assets 83,060 85,584
Current liabilities:    
Accounts payable 4,747 5,667
Accrued liabilities 3,299 3,566
Current portion of finance and operating lease obligations 655 384
Total current liabilities 10,356 11,627
Long-term notes payable, net of current portion and debt issuance costs 6,620 6,848
Long-term portion of operating lease obligations 173 101
Total liabilities 17,149 18,576
Commitments and contingencies (Note 9)
Stockholders’ equity:    
Preferred stock; $0.001 par value, 1,000,000 shares authorized, no shares issued and outstanding at March 31, 2025 and December 31, 2024 0 0
Common stock; $0.001 par value, 37,500,000 shares authorized, 18,596,301 and 18,585,014 shares issued and outstanding at March 31, 2025 and December 31, 2024, respectively 19 19
Additional paid-in capital 103,644 103,214
Accumulated other comprehensive loss (507) (578)
Accumulated deficit (37,245) (35,647)
Total stockholders’ equity 65,911 67,008
Total liabilities and stockholders’ equity 83,060 85,584
Nonrelated Party [Member]    
Current liabilities:    
Current portion of long-term notes payable $ 1,655 $ 2,010