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Note 1 - Description of the Business and Summary of Significant Accounting Policies (Details Textual) - USD ($) $ / shares in Units, $ in Thousands			3 Months Ended		12 Months Ended
	Feb. 27, 2018	Jan. 30, 2018	Jun. 30, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Number of Reportable Segments					3
Stock Issued During Period, Shares, New Issues	1,537,500
Contract with Customer, Liability, Total				$ 0	$ 0	$ 0
Inventory, Raw Materials, Gross, Total				22,300	29,100	22,300
Inventory, Finished Goods, Gross, Total				5,100	3,800	5,100
Inventory, Work in Process, Gross				0	0	0
Goodwill, Impairment Loss					3,533	4,828
Long-term Debt, Fair Value				528,100	534,600	528,100
Advertising Expense					$ 600	$ 600	$ 700
Revenue Benchmark [Member] \| Customer Concentration Risk [Member] \| Customer A [Member]
Concentration Risk, Percentage					9.00%	11.00%	11.00%
Revenue Benchmark [Member] \| Customer Concentration Risk [Member] \| Customer B [Member]
Concentration Risk, Percentage					8.00%	9.00%	11.00%
Revenue Benchmark [Member] \| Geographic Concentration Risk [Member] \| MEXICO
Concentration Risk, Percentage					9.00%	9.00%	11.00%
Accounts Receivable [Member] \| Customer Concentration Risk [Member] \| One Customer [Member]
Concentration Risk, Percentage					11.00%
Interactive (Gaming Operations) [Member]
Goodwill, Impairment Loss			$ 3,500		$ 3,533	$ 4,828
Gaming Operations [Member] \| Minimum [Member]
Lessor, Operating Lease, Term of Contract					1 year
Gaming Operations [Member] \| Maximum [Member]
Lessor, Operating Lease, Term of Contract					3 years
RMG [Member] \| Interactive (Gaming Operations) [Member]
Goodwill, Impairment Loss			$ 3,500
Social [Member] \| Interactive (Gaming Operations) [Member]
Goodwill, Impairment Loss				$ 4,800
IPO [Member]
Stock Issued During Period, Shares, New Issues		10,250,000
Shares Issued, Price Per Share		$ 16