Note 3 - Goodwill and Intangibles - Changes in Goodwill (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Balance $ 286,042 $ 287,049
Foreign currency adjustments (496) (1,007)
Balance 285,546 286,042
EGM [Member]    
Balance 278,221 279,228
Foreign currency adjustments (496) (1,007)
Balance 277,725 278,221
Table Products [Member]    
Balance 7,821 7,821
Foreign currency adjustments 0 0
Balance 7,821 7,821
Interactive (Gaming Operations) [Member]    
Balance 0 0 [1]
Foreign currency adjustments 0 0 [1]
Balance $ 0 $ 0
[1] Accumulated goodwill impairment charges for the Interactive segment as of September 30, 2021 were $8.4 million.