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Note 4. Investment in Evitts Resort, LLC and Acquisition of Rocky Gap Lodge & Golf Resort (Detail) (USD $)	1 Months Ended	3 Months Ended	480 Months Ended
	May 31, 2012	Jul. 01, 2012	Aug. 02, 2052	Aug. 03, 2012	Jan. 01, 2012
Payments to Acquire Additional Interest in Subsidiaries	$ 600,000
Assets		117,441,000			116,000,000
Deposits Assets, Current		2,100,000			2,250,000
Asset Impairment Charges		600,000
Business Acquisition, Cost of Acquired Entity, Cash Paid				6,800,000
Description of Lessee Leasing Arrangements, Operating Leases			40
Minimum [Member] \| Evitts Resort [Member]
Construction and Development Costs		25,000,000
Maximum [Member] \| Evitts Resort [Member]
Construction and Development Costs		30,000,000
Evitts Resort [Member]
Assets		$ 2,100,000			$ 2,300,000