v3.25.4
Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Cash flows from operating activities:    
Net income (loss) $ (1,354) $ 4,599
Adjustments to reconcile net income (loss) to net cash provided by operating activities:    
Depreciation 7,345 7,146
Stock-based compensation expense 447 1,166
Provision for credit losses 315 102
Loss (gain) on disposal of assets 24 (761)
Income from equity investment in joint venture (1,453) (1,770)
Distributions from equity investment in joint venture 1,637 1,716
Cash settlements from natural gas derivatives, net 178 (359)
Realized and unrealized losses from natural gas derivatives, net 202 152
Changes in operating assets and liabilities:    
Accounts receivable 2,794 1,390
Prepaid expenses and other current assets 563 820
Accounts payable and accrued liabilities (2,275) (678)
Other 180 170
Net cash provided by operating activities 8,603 13,693
Cash flows from investing activities:    
Acquisition of fixed assets (8,141) (9,146)
Proceeds from sale of fixed assets 211 841
Proceeds from notes receivable, related to prior sale of Brazil operations 226 185
Net cash used in investing activities (7,704) (8,120)
Cash flows from financing activities:    
Payments on short- and long-term notes payable and finance leases (2,387) (1,905)
Payment of debt issuance costs (42) 0
Employee tax payments from stock-based withholding (17) (9)
Net cash used in financing activities (2,446) (1,914)
Net increase (decrease) in cash and cash equivalents (1,528) 3,613
Cash and cash equivalents, beginning of year 8,987 5,374
Cash and cash equivalents, end of year 7,459 8,987
Effect of exchange rate changes on cash $ 19 $ (46)