| ASSETS |                                     
                                    
                                        Sep 2025                                        
                                      | 
                                    
                                        Jun 2025                                     | 
                                    
                                        Mar 2025                                     | 
                                    
                                        Dec 2024                                     | 
                                
                                
                                    | Cash and Cash Equivalents | 
                                    33.17 M | 
                                    29.36 M | 
                                    36.39 M | 
                                    57.96 M | 
                                
                                
                                    | Short Term Investments | 
                                    10.10 M | 
                                    3.57 M | 
                                    7.93 M | 
                                    17.26 K | 
                                
                                
                                    | Accounts Receivable | 
                                    20.99 M | 
                                    16.68 M | 
                                    14.71 M | 
                                    14.32 M | 
                                
                                
                                    | Other Receivables | 
                                    0.00 | 
                                    0.00 | 
                                    0.00 | 
                                    0.00 | 
                                
                                
                                
                                    | Total Receivables | 
                                    20.99 M | 
                                    16.68 M | 
                                    14.71 M | 
                                    14.32 M | 
                                
                                
                                    | Inventory | 
                                    7.62 M | 
                                    9.75 M | 
                                    11.20 M | 
                                    9.96 M | 
                                
                                
                                    | Prepaid Expenses | 
                                    271.32 K | 
                                    298.83 K | 
                                    474.95 K | 
                                    674.52 K | 
                                
                                
                                    | Restricted Cash | 
                                    4.26 M | 
                                    1.20 M | 
                                    4.51 M | 
                                    6.40 M | 
                                
                                
                                    | Other Current Assets | 
                                    425.77 K | 
                                    447.56 K | 
                                    798.78 K | 
                                    1.01 M | 
                                
       
                                
                                    | Total Current Assets | 
                                    73.45 M | 
                                    60.46 M | 
                                    71.46 M | 
                                    83.58 M | 
                                
                                
                                    | Gross Property, Plant and Equipment | 
                                    563.01 M | 
                                    549.77 M | 
                                    578.00 M | 
                                    570.84 M | 
                                
                                
                                    | Accumulated Depreciation | 
                                    375.55 M | 
                                    360.57 M | 
                                    372.22 M | 
                                    364.16 M | 
                                
                                
                                    | Net Property, Plant and Equipment | 
                                    187.46 M | 
                                    189.19 M | 
                                    205.77 M | 
                                    206.68 M | 
                                
                                
                                
                                    | Goodwill and Other Intangibles | 
                                    3.81 M | 
                                    3.81 M | 
                                    4.10 M | 
                                    4.18 M | 
                                
                                
                                    | Loans Receivable | 
                                    0.00 | 
                                    0.00 | 
                                    0.00 | 
                                    0.00 | 
                                
             
                                
                                    | Other Long-Term Assets | 
                                    1.04 M | 
                                    1.02 M | 
                                    1.08 M | 
                                    1.07 M | 
                                
                                
                                    | Total Assets | 
                                    265.76 M | 
                                    254.48 M | 
                                    282.41 M | 
                                    297.51 M | 
                                
                                
                                
                                    Liabilities and Shareholders' Equity
                                 | 
                                
                                
                                    | Accounts Payable | 
                                    59.48 M | 
                                    56.26 M | 
                                    51.16 M | 
                                    67.99 M | 
                                
                                
                                    | Accrued Expenses | 
                                    N/A | 
                                    N/A | 
                                    N/A | 
                                    N/A | 
                                
                                
                                    | Short Term Borrowings | 
                                    10.11 M | 
                                    9.50 M | 
                                    11.11 M | 
                                    10.75 M | 
                                
                                
                                    | Notes Payable | 
                                    N/A | 
                                    N/A | 
                                    N/A | 
                                    N/A | 
                                
                                
                                
                                    | Current Income Taxes Payable | 
                                    0.00 | 
                                    0.00 | 
                                    0.00 | 
                                    0.00 | 
                                
                                
                                    | Unearned Revenue | 
                                    N/A | 
                                    N/A | 
                                    N/A | 
                                    N/A | 
                                
                                
                                    | Other Current Liabilities | 
                                    2.54 M | 
                                    1.90 M | 
                                    2.00 M | 
                                    1.95 M | 
                                
                                
                                    | Total Current Liabilities | 
                                    72.27 M | 
                                    67.77 M | 
                                    78.12 M | 
                                    92.95 M | 
                                
                                
                                    | Long Term Debt | 
                                    0.00 | 
                                    0.00 | 
                                    4.84 M | 
                                    4.64 M | 
                                
                                
                                    | Capital Leases | 
                                    0.00 | 
                                    0.00 | 
                                    0.00 | 
                                    0.00 | 
                                
                                
                                    | Minority Interest | 
                                    0.00 | 
                                    0.00 | 
                                    0.00 | 
                                    0.00 | 
                                
                                
                                    | Other Non-Current Liabilities | 
                                    12.15 M | 
                                    13.33 M | 
                                    13.47 M | 
                                    13.18 M | 
                                
                                
                                    | Total Liabilities | 
                                    116.91 M | 
                                    113.50 M | 
                                    133.18 M | 
                                    146.80 M | 
                                
                                
                                    | Total Preferred Equity | 
                                    0.00 | 
                                    0.00 | 
                                    0.00 | 
                                    0.00 | 
                                
                                
                                    | Common Stock | 
                                    103.13 M | 
                                    101.10 M | 
                                    108.27 M | 
                                    107.33 M | 
                                
                                
                                    | Additional Paid In Capital | 
                                    0.00 | 
                                    0.00 | 
                                    0.00 | 
                                    0.00 | 
                                
                                
                                    | Retained Earnings | 
                                    29.00 M | 
                                    24.17 M | 
                                    23.72 M | 
                                    25.08 M | 
                                
                                
                                    | Treasury Stock | 
                                    0.00 | 
                                    0.00 | 
                                    0.00 | 
                                    0.00 | 
                                
                                
                                
                                    | Total Common Equity | 
                                    148.86 M | 
                                    140.99 M | 
                                    149.23 M | 
                                    150.71 M | 
                                
                                
                                    | Total Equity | 
                                    148.86 M | 
                                    140.99 M | 
                                    149.23 M | 
                                    150.71 M | 
                                
                                
                                    | Total Liabilities and Shareholders' Equity | 
                                    265.76 M | 
                                    254.48 M | 
                                    282.41 M | 
                                    297.51 M |