Note 3 - Selected Balance Sheet Data (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Sep. 30, 2020 |
Jun. 30, 2020 |
|
| Finite-lived Intangible Assets Acquired | $ 0 | |
| Patented Technology [Member] | ||
| Finite-lived Intangible Assets Acquired | 5,000 | |
| Other Noncurrent Assets [Member] | ||
| Inventory, Finished Goods, Net of Reserves, Non-current | $ 4,692 | $ 4,646 |
| 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.
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| X | ||||||||||
- Definition Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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