Segment Reporting and Geographic Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Sep. 30, 2018
Revenue:
Total revenue	$ 26.7	$ 36.9	$ 60.4	$ 74.4
Cost of sales, excluding depreciation and amortization:
Selling, general and administrative expenses	(12.8)	(15.2)	(27.5)	(30.9)
Stock-based compensation expense			(4.4)	(2.7)
Acquisition related transaction expenses	(0.7)		(1.6)	(0.2)
Depreciation and amortization	(9.1)	(10.6)	(18.8)	(21.7)
Segment operating income (loss)	(4.5)	1.6	(5.2)	0.8
Net operating loss	(4.5)	1.6	(5.2)	0.8
Total assets	187.7		187.7		$ 207.9
Total goodwill	44.7		44.7		45.8
Total capital expenditures	4.2	14.1	8.7	24.5
Corporate Functions [Member]
Revenue:
Total revenue
Cost of sales, excluding depreciation and amortization:
Total assets	41.8		41.8		35.0
Total goodwill
Total capital expenditures	0.5		0.7	3.7
Virtual Sports [Member]
Revenue:
Total revenue	9.2	10.0	19.2	19.7
Cost of sales, excluding depreciation and amortization:
Total assets	64.9		64.9		69.5
Total goodwill	44.7		44.7		45.8
Total capital expenditures	1.6	2.2	3.0	3.7
Server Based Gaming [Member]
Revenue:
Total revenue	17.5	26.9	41.2	54.7
Cost of sales, excluding depreciation and amortization:
Total assets	81.0		81.0		103.4
Total goodwill
Total capital expenditures	2.1	11.9	5.0	20.7
Hardware [Member]
Revenue:
Total revenue	1.1	2.4	4.0	6.6
Hardware [Member] | Corporate Functions [Member]
Revenue:
Total revenue
Cost of sales, excluding depreciation and amortization:
Cost of goods and services sold
Selling, general and administrative expenses	(4.7)	(4.3)	(10.6)	(8.9)
Stock-based compensation expense	(1.5)	(1.0)	(2.9)	(1.6)
Acquisition related transaction expenses	(0.7)		(1.6)	(0.2)
Depreciation and amortization	(0.5)	(0.3)	(1.0)	(0.6)
Segment operating income (loss)	(7.4)	(5.6)	(16.1)	(11.3)
Hardware [Member] | Virtual Sports [Member]
Revenue:
Total revenue
Cost of sales, excluding depreciation and amortization:
Cost of goods and services sold
Selling, general and administrative expenses	(2.1)	(2.4)	(4.3)	(5.3)
Stock-based compensation expense	(0.3)	(0.2)	(0.6)	(0.5)
Acquisition related transaction expenses
Depreciation and amortization	(1.4)	(1.5)	(2.9)	(3.6)
Segment operating income (loss)	4.5	4.6	9.5	7.7
Hardware [Member] | Server Based Gaming [Member]
Revenue:
Total revenue	1.1	2.4	4.0	6.6
Cost of sales, excluding depreciation and amortization:
Cost of goods and services sold	(1.0)	(2.1)	(2.6)	(6.2)
Selling, general and administrative expenses	(6.0)	(8.5)	(12.6)	(16.7)
Stock-based compensation expense	(0.5)	(0.3)	(0.9)	(0.6)
Acquisition related transaction expenses
Depreciation and amortization	(7.2)	(8.8)	(14.9)	(17.5)
Segment operating income (loss)	(1.6)	2.6	1.4	4.4
Service [Member]
Revenue:
Total revenue	25.6	34.5	56.4	67.8
Service [Member] | Corporate Functions [Member]
Revenue:
Total revenue
Cost of sales, excluding depreciation and amortization:
Cost of goods and services sold
Selling, general and administrative expenses	(4.7)	(4.3)	(10.6)	(8.9)
Stock-based compensation expense	(1.5)	(1.0)	(2.9)	(1.6)
Acquisition related transaction expenses	(0.7)		(1.6)	(0.2)
Depreciation and amortization	(0.5)	(0.3)	(1.0)	(0.6)
Segment operating income (loss)	(7.4)	(5.6)	(16.1)	(11.3)
Service [Member] | Virtual Sports [Member]
Revenue:
Total revenue	9.2	10.0	19.2	19.7
Cost of sales, excluding depreciation and amortization:
Cost of goods and services sold	(0.9)	(1.3)	(1.9)	(2.6)
Selling, general and administrative expenses	(2.1)	(2.4)	(4.3)	(5.3)
Stock-based compensation expense	(0.3)	(0.2)	(0.6)	(0.5)
Acquisition related transaction expenses
Depreciation and amortization	(1.4)	(1.5)	(2.9)	(3.6)
Segment operating income (loss)	4.5	4.6	9.5	7.7
Service [Member] | Server Based Gaming [Member]
Revenue:
Total revenue	16.4	24.5	37.2	48.1
Cost of sales, excluding depreciation and amortization:
Cost of goods and services sold	(4.4)	(4.6)	(8.8)	(9.3)
Selling, general and administrative expenses	(6.0)	(8.5)	(12.6)	(16.7)
Stock-based compensation expense	(0.5)	(0.3)	(0.9)	(0.6)
Acquisition related transaction expenses
Depreciation and amortization	(7.2)	(8.8)	(14.9)	$ (17.5)
Segment operating income (loss)	$ (1.6)	$ 2.6	$ 1.4