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Note 3 - Selected Balance Sheet Data (Details Textual) - USD ($) | 3 Months Ended |
--- | --- | ---
Dec. 31, 2021 | Jun. 30, 2021
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
[1] | As disclosed in Note 1, the Company recorded an impairment charge of $8.6 million related to Eminence in Q2 of FY'22.

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