Note 9 - Business Risk and Credit Risk Concentration Involving Cash	12 Months Ended
Jun. 30, 2022
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, 2022, the Company had two customers that substantially comprised all of the Company’s revenue. All of the Company’s revenue for the fiscal year ended June 30, 2021 was also generated by two customers. 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.

The entire disclosure for any concentrations existing at the date of the financial statements that make an entity vulnerable to a reasonably possible, near-term, severe impact. This disclosure informs financial statement users about the general nature of the risk associated with the concentration, and may indicate the percentage of concentration risk as of the balance sheet date.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-URI https://asc.fasb.org/topic&trid=2134479

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