Note 2 - Summary of Significant Accounting Policies - Goodwill (Details) |
12 Months Ended |
|---|---|
|
Dec. 31, 2021
USD ($)
| |
| Balance as of December 31, 2020 | $ 2,565,000 |
| Acquisitions (See Note 5) | 47,698,000 |
| Balance as of December 31, 2021 | $ 50,263,000 |
| X | ||||||||||
- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|