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CONDENSED STATEMENTS OF CASH FLOWS - USD ($)
 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Cash flows from operating activities    
Net loss $ (10,588,187) $ (13,735,256)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 3,755,483 3,776,694
Net unrealized loss on investments 5,600,837 47,165
Bond amortization (531) (505)
Deferred taxes   8,392,031
Provision for credit losses 88,872 427,487
Net realizable value inventory adjustment 616,740 1,872
Other income - TIA (2,954,054) (2,959,695)
(Increase) decrease in operating assets:    
Accounts receivable (388,065) 5,554,005
Inventories (1,876,847) (4,438,769)
Other current assets 8,711 75,333
Income taxes receivable 316,422 76,960
Other assets 22,356 26,082
Increase (decrease) in operating liabilities:    
Accounts payable (230,233) (1,664,967)
Accrued liabilities 419,744 (302,198)
Income taxes payable (814) (1,491)
Net cash used in operating activities (5,209,566) (4,725,252)
Cash flows from investing activities    
Purchase of property, plant, and equipment (419,284) (348,100)
Purchase of debt and equity securities (281,300) (476,946)
Proceeds from the sales of debt and equity securities 5,000,000  
Net cash from (used) in investing activities 4,299,416 (825,046)
Cash flows from financing activities    
Repayments of long-term debt (165,030) (148,963)
Payment of preferred stock dividends (115,222) (115,222)
Net cash used in financing activities (280,252) (264,185)
Net decrease in cash and cash equivalents (1,190,402) (5,814,483)
Cash and cash equivalents at:    
Beginning of period 4,235,388 12,667,550
End of period 3,044,986 6,853,067
Supplemental schedule of cash flow information:    
Interest paid 45,764 65,300
Income taxes paid 7,381  
Supplemental schedule of noncash investing and financing activities:    
Preferred dividends declared, not paid $ 57,611 $ 57,611