CONDENSED BALANCE SHEETS - USD ($)	Sep. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 3,917,246	$ 12,667,550
Accounts receivable, net	8,674,774	10,671,721
Investments in debt and equity securities, at fair value	32,782,319	34,621,213
Inventories	21,301,008	17,581,368
Income taxes receivable	1,111,851	1,155,077
Other current assets	968,949	952,668
Total current assets	68,756,147	77,649,597
Property, plant, and equipment, net	88,936,910	93,478,521
Deferred tax asset		8,392,030
Other assets	114,803	152,064
Total assets	157,807,860	179,672,212
Current liabilities:
Accounts payable	3,251,331	4,779,035
Current portion of long-term debt	325,155	303,991
Accrued compensation	809,937	865,105
Dividends payable	1,417,437	1,417,437
Accrued royalties to shareholder	884,570	1,376,555
Other accrued liabilities	1,325,080	630,571
Income taxes payable	5,864	4,802
Total current liabilities	8,019,374	9,377,496
Other long-term liabilities	65,344,155	69,773,538
Long-term debt, net of current maturities	986,750	1,233,519
Total liabilities	74,350,279	80,384,553
Commitments and contingencies - see Note 10
Stockholders' equity:
Common Stock, no par value
Additional paid-in capital	73,160,333	73,160,333
Retained earnings	22,955,481	38,785,559
Common stock in treasury - at cost	(12,888,678)	(12,888,678)
Total stockholders' equity	83,457,581	99,287,659
Total liabilities and stockholders' equity	157,807,860	179,672,212
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