Prepaids, Deposits and Other Assets (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Prepaids, Deposits and Other Assets [Line Items]
Prepaids, deposits and other assets	$ 1,849	$ 1,797
Prepaid taxes [Member]
Prepaids, Deposits and Other Assets [Line Items]
Prepaids, deposits and other assets	1,014	927
Prepaid leases [Member]
Prepaids, Deposits and Other Assets [Line Items]
Prepaids, deposits and other assets	217	222
Prepayments to suppliers [Member]
Prepaids, Deposits and Other Assets [Line Items]
Prepaids, deposits and other assets	235	279
Deposits on EGM and system orders [Member]
Prepaids, Deposits and Other Assets [Line Items]
Prepaids, deposits and other assets	92	16
Rentals, utilities and other deposits [Member]
Prepaids, Deposits and Other Assets [Line Items]
Prepaids, deposits and other assets	$ 291	$ 353