Consolidated Condensed Balance Sheets (Unaudited) (Parentheticals) - USD ($)	Mar. 31, 2024	Jun. 30, 2023
Accounts Receivable, Allowance for Credit Loss, Current	$ 226,198	$ 170,103
Preferred Stock, Par or Stated Value Per Share (in dollars per share)	$ 0.01	$ 0.01
Preferred Stock, Shares Authorized (in shares)		30,000,000
Preferred Stock, Shares Authorized (in shares)		30,000,000
Common Stock, Par or Stated Value Per Share (in dollars per share)	$ 0.01	$ 0.01
Common Stock, Shares Authorized (in shares)	50,000,000	50,000,000
Common Stock, Shares, Issued (in shares)	18,221,527	18,309,051
Common Stock, Shares, Outstanding, Ending Balance (in shares)	18,221,527	18,309,051
Series B Preferred Stock [Member]
Preferred Stock, Shares Authorized (in shares)	700,000	700,000
Preferred Stock, Shares Authorized (in shares)	700,000	700,000
Preferred Stock, Shares Outstanding (in shares)	625,375	625,375
Preferred Stock, Shares Issued (in shares)	625,375	625,375
Series B-1 Preferred Stock [Member]
Preferred Stock, Shares Authorized (in shares)	550,000	550,000
Preferred Stock, Shares Authorized (in shares)	550,000	550,000
Preferred Stock, Shares Outstanding (in shares)	72,216	212,402
Preferred Stock, Shares Issued (in shares)	72,216	212,402