Note 8 - Write-downs and Other Charges (Details Textual) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Other Cost and Expense, Operating, Total	$ 819	$ 5,036	$ 874	$ 6,052
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Asset			800	400
Gain (Loss) on Disposition of Assets, Total	$ (25)	(179)	$ (74)	(445)
Interactive (Gaming Operations) [Member]
Other Cost and Expense, Operating, Total		5,000		6,100
Goodwill, Impairment Loss		3,500		3,500
Impairment of Intangible Assets, Finite-lived		$ 1,300		1,300
EGM [Member] | Game Titles [Member]
Impairment of Intangible Assets, Finite-lived				$ 400