Goodwill and Intangible Assets, including Casino Contracts (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Dec. 31, 2013
Indefinite-lived Intangible Assets [Line Items]
Definite-life intangible assets	$ 4,806
Finite-Lived Intangible Assets, Net, Total	5,971	6,681
Gaming Operation Agreement [Member]
Indefinite-lived Intangible Assets [Line Items]
Definite-life intangible assets	1,171	1,178
Less: accumulated amortization	(630)	(567)
Finite-Lived Intangible Assets, Net, Total	541	611
Gaming Operation Agreement [Member] | Maximum [Member]
Indefinite-lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	5 years
Gaming Operation Agreement [Member] | Minimum [Member]
Indefinite-lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	4 years
Goodwill [Member]
Indefinite-lived Intangible Assets [Line Items]
Definite-life intangible assets	348	353
Patents [Member]
Indefinite-lived Intangible Assets [Line Items]
Definite-life intangible assets	114	114
Less: accumulated amortization	(67)	(62)
Finite-Lived Intangible Assets, Net, Total	47	52
Patents [Member] | Maximum [Member]
Indefinite-lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	6 years
Patents [Member] | Minimum [Member]
Indefinite-lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	5 years
Trademarks [Member]
Indefinite-lived Intangible Assets [Line Items]
Definite-life intangible assets	26	26
Less: accumulated amortization	(10)	(10)
Finite-Lived Intangible Assets, Net, Total	16	16
Trademarks [Member] | Maximum [Member]
Indefinite-lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	9 years
Trademarks [Member] | Minimum [Member]
Indefinite-lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	5 years
Technical Know How [Member]
Indefinite-lived Intangible Assets [Line Items]
Definite-life intangible assets	261	261
Less: accumulated amortization	(48)	(41)
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	10 years
Finite-Lived Intangible Assets, Net, Total	213	220
Casino Contracts [Member]
Indefinite-lived Intangible Assets [Line Items]
Definite-life intangible assets	12,735	12,764
Less: accumulated amortization	(7,929)	(7,335)
Finite-Lived Intangible Assets, Net, Total		$ 5,429
Casino Contracts [Member] | Maximum [Member]
Indefinite-lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	6 years
Casino Contracts [Member] | Minimum [Member]
Indefinite-lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	5 years