Common Stock and Common Stock Equivalents (Narrative) (Details) - USD ($)	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Dec. 10, 2020	Dec. 03, 2018
Common Stock And Common Stock Equivalents [Line Items]
Common share sold,value	$ 35,087,825	$ 34,355,315
Equity incentive paln,description	On December 3, 2018, the shareholders approved the 2018 equity incentive plan ("2018 Equity Plan"), setting aside 120,000 shares of common stock. On December 10, 2020, the shareholders approved a new 2020 equity incentive plan ("2020 Equity Plan"), setting aside 200,000 shares of common stock. Shares remaining available under the 2018 Equity Plan are eligible for use under the 2020 Equity Plan. Incentive and nonqualified stock options, restricted common stock, stock appreciation rights, and other share-based awards may be granted under the plans including performance-based awards.
Share authorised and reseved for issuance	194,451		200,000	120,000
Stock-based compensation expense	$ 1,637	131,336
Unrecognized stock-based compensation cost	$ 0
Years over which unrecognized stock-based compensation expense is expected to be recognized	2 years
Aggregate intrinsic value of options outstanding	$ 0	$ 0
Director [Member]
Common Stock And Common Stock Equivalents [Line Items]
Restricted common share granted	20,000	10,000
Employee [Member]
Common Stock And Common Stock Equivalents [Line Items]
Restricted common share granted	11,633	26,048