Note 3 - Selected Balance Sheet Data (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | |
|---|---|---|---|
Sep. 30, 2020 |
Dec. 31, 2020 |
Jun. 30, 2020 |
|
| Finite-lived Intangible Assets Acquired | $ 8,919 | ||
| Patented Technology [Member] | |||
| Finite-lived Intangible Assets Acquired | $ 5,000 | ||
| Noncash or Part Noncash Acquisition, Intangible Assets Acquired | 4,000 | ||
| Other Noncurrent Assets [Member] | |||
| Inventory, Finished Goods, Net of Reserves, Non-current | $ 4,972 | $ 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 | ||||||||||
- Definition The amount of intangibles that an Entity acquires in a noncash (or part noncash) acquisition. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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