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Note 23 - Income Taxes - Income Tax Expense (Details) - USD ($)
$ in Thousands
 1 Months Ended 12 Months Ended
Dec. 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Federal income tax expense (benefit)                 $ (1) $ (29)
Foreign income tax expense (benefit)                 122 156 26
State and local income tax expense (benefit)                 86
Current Income Tax Expense (Benefit), Total                 208 155 (3)
Federal income tax expense (benefit)                 (7,430) (324) (722)
Foreign income tax expense (benefit)                
State and local income tax expense (benefit)                 (1,447) (354) (116)
Deferred Income Tax Expense (Benefit), Total                 (8,877) (678) (838)
Total $ (8,046) $ (594) $ 343 $ (372) $ 394 $ (170) $ (641) $ (106) $ (8,669) $ (523) $ (841)