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Note 4 - Debt and Credit Facilities (Details Textual) - USD ($)
$ in Thousands
1 Months Ended 6 Months Ended 7 Months Ended 9 Months Ended 12 Months Ended
Nov. 04, 2025
May 07, 2025
Jul. 21, 2023
Feb. 26, 2021
Aug. 31, 2023
Dec. 31, 2023
Jul. 31, 2023
Sep. 30, 2025
Dec. 31, 2023
Dec. 31, 2024
Jun. 30, 2023
Mar. 14, 2023
Dec. 31, 2022
Excess Availability Percentage Of Lender Commitments Threshold Triggering Cash Dominion Control                         12.50%
Subsequent Event [Member]                          
Proceeds from Issuance of Debt $ 200,000                        
L C Facility Agreement [Member]                          
Line of Credit Facility, Daily Minimum Liquidity       $ 50,000                  
Letter of Credit, Commitment Amount           $ 50,000     $ 50,000   $ 100,000 $ 50,000  
Line of Credit Facility, Aggregate Cash Collateral Percentage           104.00%              
Letters of Credit, Amount Transferred     $ 58,000                    
Proceeds From Issuance of Debt, Collateralize Letters of Credit     $ 59,000                    
Reductions of Collateral Account to Fund Liabilities         $ 68,000                
Letters of Credit Outstanding, Amount           $ 31,000   $ 24,000 $ 31,000 $ 27,000      
Letter Of Credit Cash Collateral               $ 25,000   $ 29,000      
Line of Credit Facility, Percentage of Letter of Credit Fee                 3.75%        
Line of Credit Facility, Commitment Fee Percentage               25.00%          
Debt Instrument, Basis Spread on Variable Rate               2.75%          
Amended A B L Credit Agreement [Member]                          
Line of Credit Facility, Daily Minimum Liquidity                       $ 50,000  
Excess Availability Percentage Of Lender Commitments Threshold Triggering Cash Dominion Control                       12.50%  
Excess Availability Below Which Fixed Charge Coverage Ratios Triggered             12.50%            
Lender Commitments Threshold Trigger Excess Availability Amount             $ 11,250         $ 11,250 $ 11,250
Fixed Charged Coverage Ratio Required             1         1  
Letter Of Credit Facility Agreement [Member]                          
Minimum Liquidity Requirement                         $ 80,000
Line of Credit Facility, Aggregate Cash Collateral Percentage       103.00%                  
Minimum [Member] | Revolving Credit Facility [Member]                          
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage             37.50%            
Maximum [Member] | Revolving Credit Facility [Member]                          
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage             50.00%            
Term Loan Credit Agreement [Member]                          
Long-Term Debt, Total               $ 225,000          
Long Term Debt, Maximum Additional Proceeds               50,000          
Refinancing Term Loans [Member]                          
Debt Instrument, Face Amount               $ 450,000          
Debt Instrument, Interest Rate, Stated Percentage               12.50%          
Debt Instrument, Interest Rate, Annum Payable               7.50%          
Debt Instrument, Interest Rate, Payable In-kind               5.00%          
Refinancing Term Loans [Member] | Five Percentage Unsecured Convertible Promissory Notes Due May Twenty Eight Two Thousand Twenty Six [Member]                          
Debt Instrument, Interest Rate, Stated Percentage               5.00%          
Refinancing Term Loans [Member] | Minimum [Member]                          
Debt Instrument, Material Indebtness               $ 20,000          
Refinancing Term Loans [Member] | Maximum [Member]                          
Debt Instrument, Material Indebtness               25,000          
Refinancing Term Loans [Member] | Used to Refinance Obligations [Member]                          
Proceeds from Issuance of Debt               435,000          
Refinancing Term Loans [Member] | General Corporate Purposes and Working Capital Needs [Member]                          
Proceeds from Issuance of Debt               $ 29,000          
May 2026 Term Loan Credit Agreement Amendment [Member]                          
Debt Instrument Prepayment Fee   1.00%                      
May 2026 Term Loan Credit Agreement Amendment [Member] | Tranche One [Member]                          
Proceeds from Issuance of Debt   $ 200,000                      
Debt Instrument Prepayment Percentage   100.00%                      
May 2026 Term Loan Credit Agreement Amendment [Member] | Tranche Two [Member]                          
Proceeds from Issuance of Debt   $ 100,000                      
Debt Instrument Prepayment Percentage   50.00%