Income Taxes (Summary of Difference Between Provision for Income Taxes and Amount which Would Result from Application of Federal Statutory Rate) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Income Tax Disclosure [Abstract]
Provision for income taxes at statutory rate	$ 661,301	$ 3,917,815
Change in valuation allowance	3,394	(8,067)
Percentage depletion	(375,145)	(408,729)
State income taxes, net of federal provision	156,818	963,063
Restricted stock tax benefit	(59,943)	10,664
Deferred directors’ compensation benefit	28,230	42,018
Nondeductible compensation	359,545	122,204
Provision to return adjustments	40,670	190,914
Other	12,317	(94,422)
Provision (benefit) for income taxes	$ 827,187	$ 4,735,460