Note 6 - Fair Value Measurements - Financial Assets Measured at Fair Value on Recurring Basis Based on Level 3 Inputs (Details) - Contingent Consideration [Member] - USD ($) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| December 31, 2020 | $ 930,000 | $ 0 |
| Change in fair value | (930,000) | 930,000 |
| Balance | $ 0 | $ 930,000 |
| X | ||||||||||
- Definition Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Details
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