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CONDENSED BALANCE SHEETS - USD ($)
Sep. 30, 2023
Dec. 31, 2022
Current assets:    
Cash and cash equivalents $ 11,257,822 $ 19,721,345
Accounts receivable, net 8,180,244 4,835,119
Receivable from Technology Investment Agreement (TIA)   2,025,413
Investments in debt and equity securities, at fair value 33,649,141 29,657,314
Inventories 22,466,954 20,684,168
Income taxes receivable 1,143,930 10,619,835
Prepaid estimated taxes 4,295 4,295
Other current assets 1,095,053 1,262,221
Total current assets 77,797,439 88,809,710
Property, plant, and equipment, net 95,025,849 100,152,768
Deferred tax asset 8,533,602 6,518,663
Other assets 159,515 184,524
Total assets 181,516,405 195,665,665
Current liabilities:    
Accounts payable 3,393,351 6,404,925
Current portion of long-term debt 297,257 285,954
Accrued compensation 728,889 997,530
Dividends payable 1,417,937 1,417,937
Accrued royalties to shareholder 794,388 973,701
Other accrued liabilities 2,589,845 1,992,144
Income taxes payable 40,368 63,631
Total current liabilities 9,262,035 12,135,822
Other long-term liabilities 71,517,656 75,459,612
Long-term debt, net of current maturities 1,312,330 1,533,422
Total liabilities 82,092,021 89,128,856
Commitments and contingencies - see Note 8
Stockholders' equity:    
Common Stock, no par value 0 0
Additional paid-in capital 73,164,501 73,164,501
Retained earnings 38,916,116 46,028,541
Common stock in treasury - at cost (12,888,678) (12,888,678)
Total stockholders' equity 99,424,384 106,536,809
Total liabilities and stockholders' equity 181,516,405 195,665,665
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 $ 76,245 $ 76,245