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CONDENSED BALANCE SHEETS - USD ($)
Sep. 30, 2025
Dec. 31, 2024
Current assets:    
Cash and cash equivalents $ 3,444,538 $ 4,235,388
Accounts receivable, net 8,437,865 7,786,697
Investments in debt and equity securities, at fair value 30,503,005 40,328,308
Inventories 20,388,988 19,189,753
Income taxes receivable 662,359 978,851
Other current assets 691,470 753,062
Total current assets 64,128,225 73,272,059
Property, plant, and equipment, net 82,235,885 87,348,518
Other assets 70,090 103,625
Total assets 146,434,200 160,724,202
Current liabilities:    
Accounts payable 4,574,836 4,290,588
Current portion of long-term debt 359,102 332,480
Accrued compensation 885,030 1,073,357
Dividends payable 1,417,438 1,417,437
Accrued royalties to shareholder 827,275 789,358
Other accrued liabilities 1,558,643 873,254
Income taxes payable 5,322 4,442
Total current liabilities 9,627,646 8,780,916
Other long-term liabilities - TIA 59,402,231 63,872,553
Long-term debt, net of current maturities 623,605 900,042
Total liabilities 69,653,482 73,553,511
Stockholders' equity:    
Common Stock, no par value
Additional paid-in capital 73,160,333 73,160,333
Retained earnings 16,278,618 26,668,591
Common stock in treasury - at cost (12,888,678) (12,888,678)
Total stockholders' equity 76,780,718 87,170,691
Total liabilities and stockholders' equity 146,434,200 160,724,202
Series II Class B    
Stockholders' equity:    
Preferred stock, $1 par value: Class B; authorized: 5,000,000 shares 156,200 156,200
Series III Class B    
Stockholders' equity:    
Preferred stock, $1 par value: Class B; authorized: 5,000,000 shares $ 74,245 $ 74,245