Quarterly report [Sections 13 or 15(d)]

Note 9 - Long-term Debt (Details Textual)

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Note 9 - Long-term Debt (Details Textual) - USD ($)
1 Months Ended 3 Months Ended
Jan. 08, 2026
Dec. 30, 2025
Oct. 17, 2025
Jul. 25, 2025
Jul. 20, 2023
Jun. 14, 2016
Dec. 31, 2022
Dec. 31, 2021
Oct. 31, 2020
Mar. 31, 2026
Feb. 18, 2026
Feb. 17, 2026
Sep. 30, 2025
Precision Marshall [Member]                          
Deferred Debt Issuance Cost, Writeoff                   $ 58,000      
Marquis Industries Inc [Member]                          
Payments to Acquire Buildings                 $ 2,500,000        
Marquis Industries Inc [Member] | Store Capital Acquisitions, LLC [Member]                          
Proceeds from Sale, Land, Held-for-Use           $ 600,000              
Marquis Industries Inc [Member] | Store Capital Acquisitions, LLC [Member] | Sale Leaseback Land [Member]                          
Sale Leaseback Transaction, Lease Term (Year)           15 years              
Annual Lease Rate           $ 60,000              
Fifth Third Bank Loans recision Marshall, Kinetic, and Central Steel refinanced their Fifth Third Bank loans [Member] | Precision Marshall [Member] | Original M&E Term Note [Member]                          
Long-Term Debt                   0     $ 1,300,000
Fifth Third Bank Loans recision Marshall, Kinetic, and Central Steel refinanced their Fifth Third Bank loans [Member] | Precision Marshall [Member] | Kinetic Term Loan #1 [Member]                          
Long-Term Debt                   0     2,100,000
Fifth Third Bank Loans recision Marshall, Kinetic, and Central Steel refinanced their Fifth Third Bank loans [Member] | Precision Marshall [Member] | Capex Loan [Member]                          
Long-Term Debt                   0     1,700,000
Note Payable to JCM Holdings [Member] | Marquis Industries Inc [Member]                          
Debt Instrument, Maturity Date                 Jan. 31, 2030        
Long-Term Debt                   900,000     1,100,000
Debt Instrument, Face Amount                 $ 2,000,000        
Debt Instrument, Interest Rate, Stated Percentage                 6.00%        
Note Payable to Store Capital Acquisitions, LLC [Member] | Marquis Industries Inc [Member] | Store Capital Acquisitions, LLC [Member]                          
Debt Instrument, Maturity Date           Jun. 13, 2056              
Debt Issuance Costs, Net           $ 458,000              
Long-Term Debt                   $ 9,000,000     9,000,000
Debt Instrument, Interest Rate, Stated Percentage           9.30%              
Proceeds from Sale of Land and Loan           $ 10,000,000              
Proceeds from Notes Payable           $ 9,400,000              
Debt Instrument, Period Subject To Fixed Prepayment Penalty (Year)           5 years              
Debt Instrument, Fixed Prepayment Penalty, Percent           5.00%              
Debt Instrument, Prepayment Penalty, Annual Decrease, Percent           1.00%              
Debt Instrument, Period Subject To Decreasing Prepayment Penalty (Year)           5 years              
Debt Instrument, Period Subject To Prepayment Penalty (Year)           10 years              
Equipment Loans, Note #7 [Member] | Marquis Industries Inc [Member]                          
Debt Instrument, Maturity Date                   Feb. 28, 2027      
Long-Term Debt                   $ 1,400,000     1,700,000
Debt Instrument, Face Amount                   $ 5,000,000      
Debt Instrument, Interest Rate, Stated Percentage                   3.20%      
Debt Instrument, Number of Monthly Payments (Month)                   84 months      
Debt Instrument, Periodic Payment                   $ 59,000      
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid                   809,000      
Equipment Loans, Note #8 [Member] | Marquis Industries Inc [Member]                          
Long-Term Debt                   800,000     1,100,000
Debt Instrument, Face Amount                   $ 3,400,000      
Debt Instrument, Interest Rate, Stated Percentage                   4.00%      
Debt Instrument, Number of Monthly Payments (Month)                   84 months      
Debt Instrument, Periodic Payment                   $ 46,000      
Long-Term Debt, Maturity Date                   Sep. 30, 2027      
Equipment Loans, Note #9 [Member] | Marquis Industries Inc [Member]                          
Long-Term Debt                   $ 1,400,000     1,900,000
Debt Instrument, Face Amount               $ 5,500,000          
Debt Instrument, Interest Rate, Stated Percentage               3.75%          
Debt Instrument, Number of Monthly Payments (Month)               60 months          
Debt Instrument, Periodic Payment               $ 92,000          
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid               $ 642,000          
Long-Term Debt, Maturity Date               Dec. 31, 2026          
Equipment Loans, Note #10 [Member] | Marquis Industries Inc [Member]                          
Long-Term Debt                   3,700,000     4,000,000
Debt Instrument, Face Amount             $ 5,700,000            
Debt Instrument, Interest Rate, Stated Percentage             6.50%            
Debt Instrument, Number of Monthly Payments (Month)             84 months            
Debt Instrument, Periodic Payment             $ 79,000            
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid             $ 650,000            
Long-Term Debt, Maturity Date             Dec. 31, 2029            
Bank of America Corporation [Member] | The 2025 BofA Revolver [Member] | Revolving Credit Facility [Member]                          
Line of Credit Facility, Maximum Borrowing Capacity       $ 28,000,000                  
Debt Instrument, Maturity Date       Jul. 31, 2026                  
Long-Term Line of Credit                   12,300,000     11,800,000
Legacy Corporate Lending [Member] | Fifth Third Bank Loans recision Marshall, Kinetic, and Central Steel refinanced their Fifth Third Bank loans [Member] | Precision Marshall, Kinetic, and Central Steel [Member]                          
Debt Instrument, Maturity Date   Dec. 30, 2028                      
Debt Instruments, Refinanced, Amount   $ 47,000,000                      
Debt Instrument, Term (Year)   3 years                      
Legacy Corporate Lending [Member] | Fifth Third Bank Loans recision Marshall, Kinetic, and Central Steel refinanced their Fifth Third Bank loans [Member] | Revolving Credit Facility [Member] | Precision Marshall, Kinetic, and Central Steel [Member]                          
Debt Instruments, Refinanced, Amount   $ 31,200,000                      
Long-Term Debt, Gross                   0     0
Legacy Corporate Lending [Member] | Fifth Third Bank Loan, Legacy Term [Member] | Precision Marshall, Kinetic, and Central Steel [Member]                          
Debt Instruments, Refinanced, Amount   $ 9,800,000                      
Debt Instrument, Basis Spread on Variable Rate   4.50%                      
Long-Term Debt, Gross                   9,400,000      
Legacy Corporate Lending [Member] | Fifth Third Bank Loan, Legacy Term [Member] | Revolving Credit Facility [Member] | Precision Marshall, Kinetic, and Central Steel [Member]                          
Debt Instrument, Basis Spread on Variable Rate   4.25%                      
Legacy Corporate Lending [Member] | Fifth Third Bank Loan, Legacy Capex [Member] | Precision Marshall, Kinetic, and Central Steel [Member]                          
Debt Instruments, Refinanced, Amount   $ 6,000,000                      
Debt Instrument, Basis Spread on Variable Rate   4.50%                      
Debt Issuance Costs, Net   $ 900,000                      
Long-Term Debt, Gross                   0      
Legacy Corporate Lending [Member] | Fifth Third Bank Loan, Legacy Revolver [Member] | Revolving Credit Facility [Member] | Precision Marshall, Kinetic, and Central Steel [Member]                          
Long-Term Debt, Gross                   26,600,000      
Fifth Third Bank [Member] | Fifth Third Bank Loans recision Marshall, Kinetic, and Central Steel refinanced their Fifth Third Bank loans [Member] | Revolving Credit Facility [Member] | Precision Marshall [Member]                          
Long-Term Line of Credit                   0     23,000,000
Fifth Third Bank [Member] | Fifth Third Bank Loans recision Marshall, Kinetic, and Central Steel refinanced their Fifth Third Bank loans [Member] | Revolving Credit Facility [Member] | Precision Metal Works, Inc. [Member]                          
Debt Instrument, Term (Year)         3 years                
Fifth Third Bank [Member] | ME Loan in 2026 Eclipse Credit Facility [Member] | Precision Metal Works, Inc. [Member]                          
Long-Term Debt, Gross         $ 5,000,000         10,500,000      
Fifth Third Bank [Member] | The Fifth Third Revolver [Member] | Revolving Credit Facility [Member] | Precision Metal Works, Inc. [Member]                          
Line of Credit Facility, Maximum Borrowing Capacity         $ 15,000,000                
Long-Term Line of Credit                   7,300,000     7,200,000
Fifth Third Bank [Member] | The Fifth Third M&E Loan [Member] | Precision Metal Works, Inc. [Member]                          
Long-Term Debt, Gross                   3,200,000     3,600,000
Eclipse Business Capital Loans [Member] | The 2026 Eclipse Credit Facility [Member] | Revolving Credit Facility [Member]                          
Line of Credit Facility, Maximum Borrowing Capacity $ 15,000,000                        
Debt Instrument, Maturity Date Feb. 18, 2026                        
Debt Instrument, Basis Spread on Variable Rate 3.50%                        
Eclipse Business Capital Loans [Member] | Fifth Amendment to the Loan and Security Agreement [Member] | Revolving Credit Facility [Member]                          
Line of Credit Facility, Maximum Borrowing Capacity                     $ 25,000,000 $ 15,000,000  
Long-Term Line of Credit                   6,300,000     6,700,000
Debt Instrument, Fee Amount                     $ 112,500    
Eclipse Business Capital Loans [Member] | ME Loan in 2026 Eclipse Credit Facility [Member]                          
Debt Instrument, Basis Spread on Variable Rate 5.00%                        
Debt Instrument, Face Amount $ 3,500,000                        
Eclipse Business Capital Loans [Member] | ME Loan in Fifth Amendment to the Loan and Security Agreement [Member]                          
Long-Term Debt, Gross                   $ 700,000     $ 1,000,000
Bank Midwest [Member] | Bank Midwest Revolver [Member] | Revolving Credit Facility [Member]                          
Line of Credit Facility, Maximum Borrowing Capacity     $ 8,000,000                    
Debt Instrument, Maturity Date     Oct. 17, 2026