Accrued Liabilities (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Accrued Liabilities
Point loyalty program	$ 2,012,000	$ 2,050,000
Payroll and related items	1,977,000	2,274,000
Win due to Delaware State Lottery Office	4,362,000	5,416,000
Gaming license fees	333,000	795,000
Other	1,677,000	1,377,000
Accrued liabilities	$ 10,361,000	$ 11,912,000