Note 9 - Goodwill and Other Intangible Assets (Details Textual) - USD ($) |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2020 |
Mar. 31, 2020 |
Jun. 30, 2020 |
Jun. 30, 2019 |
|
| Goodwill, Ending Balance | $ 25,388,000 | $ 25,388,000 | $ 25,388,000 | |
| Other Indefinite-lived Intangible Assets | 19,700,000 | 19,700,000 | $ 19,700,000 | |
| Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount | 25.00% | |||
| Goodwill, Impairment Loss | $ 0 | |||
| Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) | $ 0 | $ 0 | ||
| Wholesale Segment [Member] | ||||
| Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount | 25.00% | |||
| Goodwill, Impairment Loss | $ 0 | |||