Summary of Significant Accounting Policies (Effect of Revision of Consolidated Statements of Changes in Stockholders Equity) (Details) - USD ($)	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022
Stockholders' equity:
Retained earnings	$ 18,120,349	$ 18,389,502	$ 18,647,111		$ 20,277,621	$ 10,327,899
Total stockholders' equity	$ 31,400,356	31,596,461	31,807,278	$ 32,086,220	33,135,237	23,027,040
As Previously Reported [Member]
Stockholders' equity:
Retained earnings		18,043,119	18,300,728		19,943,091	9,998,348
Total stockholders' equity		31,250,078	31,460,895		32,800,707	22,697,489
Revision [Member]
Stockholders' equity:
Retained earnings		346,383	346,383		334,530	329,551
Total stockholders' equity		$ 346,383	$ 346,383		$ 334,530	$ 329,551