Note 10 - Business Risk and Credit Risk Concentration Involving Cash	6 Months Ended
Dec. 31, 2023
Notes to Financial Statements
Concentration Risk Disclosure [Text Block]	(10) Business Risk and Credit Risk Concentration Involving Cash For the three and six months ended December 31, 2023, the Company had two customers that materially comprised of all of the Company’s revenue. For the three and six months ended December 31, 2022, the Company had three customers that comprised all of the Company's revenue. Additionally, the material amount of the company's receivables was comprised of 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 10 - Business Risk and Credit Risk Concentration Involving Cash

6 Months Ended

Dec. 31, 2023

Concentration Risk Disclosure [Text Block]

(10) Business Risk and Credit Risk Concentration Involving Cash

For the three and six months ended December 31, 2023, the Company had two customers that materially comprised of all of the Company’s revenue. For the three and six months ended December 31, 2022, the Company had three customers that comprised all of the Company's revenue. Additionally, the material amount of the company's receivables was comprised of 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.