Other Balance Sheet Captions (Accrued Liabilities) (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Accounts Payable And Accrued Liabilities [Line Items]
Accounts payable and accrued liabilities	$ 6,817	$ 5,819
Accrued Commissions (AGLC) [Member]
Accounts Payable And Accrued Liabilities [Line Items]
Accounts payable and accrued liabilities	1,012	726
Progressive Slot And Table Liability [Member]
Accounts Payable And Accrued Liabilities [Line Items]
Accounts payable and accrued liabilities	1,335	1,173
Player Point Liability [Member]
Accounts Payable And Accrued Liabilities [Line Items]
Accounts payable and accrued liabilities	891	874
Deposit Liability [Member]
Accounts Payable And Accrued Liabilities [Line Items]
Accounts payable and accrued liabilities	979	539
Other Accrued Liabilities [Member]
Accounts Payable And Accrued Liabilities [Line Items]
Accounts payable and accrued liabilities	$ 2,600	$ 2,507