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Note 17 - Subsequent Events | 12 Months Ended
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Jun. 30, 2022
Notes to Financial Statements |
Subsequent Events [Text Block] | (17) Subsequent Events As previously discussed in Note 7, on September 3, 2021, the Company entered into the Amended Notes with Mr. Pickens, in connection with the Original Notes, pursuant to which, (a) the principal amount of $1.0 million and accrued interest of $172 thousand on the 2020 Note was paid in full and the 2020 Note was canceled, and (b) $1.0 million of the principal amount and $330 thousand of accrued interest on the 2019 Note was paid and the maturity date on the remaining balance of $500 thousand of the 2019 Note was extended to September 5, 2022. As such, on September 5, 2022, the 2019 Note matured and the principal amount of $500 thousand and accrued interest of $55 thousand was paid in full and the 2019 Note was canceled. With the cancelation of the 2019 Note, the Amended Subsidiary Guarantee was terminated and the Subsidiaries' Collateral was released.

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- Definition The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 855 -URI https://asc.fasb.org/topic&trid=2122774 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 855 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662 + Details
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