Note 4 - Goodwill and Intangibles - Changes in Goodwill (Details) - USD ($) $ in Thousands		3 Months Ended	12 Months Ended
		Jun. 30, 2019	Dec. 31, 2019	Dec. 31, 2018
Goodwill, balance			$ 277,263	$ 278,337
Foreign currency adjustments			759	(171)
Purchase accounting adjustment				200
Acquisition			12,560	3,725
Impairment			(3,533)	(4,828)
Goodwill, balance			287,049	277,263
EGM [Member]
Goodwill, balance			267,079	266,868
Foreign currency adjustments			769	11
Purchase accounting adjustment				200
Acquisition			11,380
Impairment
Goodwill, balance			279,228	267,079
Table Products [Member]
Goodwill, balance			6,641	6,641
Foreign currency adjustments
Purchase accounting adjustment
Acquisition			1,180
Impairment
Goodwill, balance			7,821	6,641
Interactive (Gaming Operations) [Member]
Goodwill, balance	[1]		3,543	4,828
Foreign currency adjustments			(10)	(182)	[1]
Purchase accounting adjustment
Acquisition				3,725
Impairment		$ (3,500)	(3,533)	(4,828)
Goodwill, balance				$ 3,543	[1]

[1] Accumulated goodwill impairment charges for the Interactive segment as of September 30, 2019 were $8.4 million.