Note 3 - Selected Balance Sheet Data (Details Textual) - USD ($) |
3 Months Ended | |||
|---|---|---|---|---|
Dec. 31, 2021 |
Jun. 30, 2021 |
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| Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) | [1] | $ 8,563,000 | ||
| Goodwill, Impairment Loss | 8,300,000 | |||
| Other Noncurrent Assets [Member] | ||||
| Inventory, Finished Goods, Net of Reserves, Non-current | $ 5,386 | $ 5,456,000 | ||
| ||||
| X | ||||||||||
- Definition Non-current amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale. No definition available.
|
| X | ||||||||||
- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Details
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