Note 9 - Business Risk and Credit Risk Concentration Involving Cash	12 Months Ended
Jun. 30, 2023
Notes to Financial Statements
Concentration Risk Disclosure [Text Block]	(9) Business Risk and Credit Risk Concentration Involving Cash For the fiscal year ended June 30, 2023, the Company had four customers that substantially comprised all of the Company’s revenue. All of the Company’s revenue for the fiscal year ended June 30, 2022 was also generated by two customers. Additionally, the material amount of the company's receivables was compromised by two companies in both fiscal years. The Company maintains funds in bank accounts that may exceed the limit insured by the Federal Deposit Insurance Corporation (the “FDIC”). The risk of loss attributable to these uninsured balances is mitigated by depositing funds in what the Company believes to be high credit quality financial institutions. The Company has not experienced any losses in such accounts.

Note 9 - Business Risk and Credit Risk Concentration Involving Cash

12 Months Ended

Jun. 30, 2023

Concentration Risk Disclosure [Text Block]

(9) Business Risk and Credit Risk Concentration Involving Cash

For the fiscal year ended June 30, 2023, the Company had four customers that substantially comprised all of the Company’s revenue. All of the Company’s revenue for the fiscal year ended June 30, 2022 was also generated by two customers. Additionally, the material amount of the company's receivables was compromised by two companies in both fiscal years.

The Company maintains funds in bank accounts that may exceed the limit insured by the Federal Deposit Insurance Corporation (the “FDIC”). The risk of loss attributable to these uninsured balances is mitigated by depositing funds in what the Company believes to be high credit quality financial institutions. The Company has not experienced any losses in such accounts.