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Note 16. Segment Information (Detail) - Table of Assets and Operations of Report Segments (USD $)
 3 Months Ended 6 Months Ended
Jul. 01, 2012
Jul. 03, 2011
Jul. 01, 2012
Jul. 03, 2011
Jan. 01, 2012
Depreciation expense $ 51,000 $ 55,000 $ 106,000 $ 112,000  
Amortization of intangible assets related to operating casinos 265,000 9,217,000 528,000 11,160,000  
As of July 1, 2012          
Total assets 117,441,000   117,441,000   116,000,000
Investment in unconsolidated investees 20,161,000   20,161,000   15,706,000
Indian Casino Projects [Member]
          
Revenue 2,500,000 28,100,000 4,400,000 33,900,000  
Impairments and other losses 800,000 600,000 1,700,000 1,500,000  
Earnings (loss) from operations 1,300,000 18,100,000 2,000,000 21,800,000  
Amortization of intangible assets related to operating casinos 300,000 9,200,000 500,000 11,200,000  
As of July 1, 2012          
Total assets 45,300,000   45,300,000   48,000,000
Non-Indian Casino Projects [Member]
          
Impairments and other losses 600,000   600,000    
Earnings (loss) from operations (600,000)   (1,000,000)    
As of July 1, 2012          
Total assets 22,300,000   22,300,000   18,200,000
Investment in unconsolidated investees 20,200,000   20,200,000   15,700,000
Corporate and Eliminiations [Member]
          
Revenue   100,000 100,000 100,000  
Earnings (loss) from operations (1,800,000) (2,300,000) (3,700,000) (4,900,000)  
Depreciation expense 100,000 100,000 100,000 100,000  
As of July 1, 2012          
Total assets 49,800,000   49,800,000   49,800,000
Consolidated [Member]
          
Revenue 2,500,000 28,200,000 4,500,000 34,000,000  
Impairments and other losses 1,400,000 600,000 2,300,000 1,500,000  
Earnings (loss) from operations (1,100,000) 15,800,000 (2,700,000) 16,900,000  
Depreciation expense 100,000 100,000 100,000 100,000  
Amortization of intangible assets related to operating casinos 300,000 9,200,000 500,000 11,200,000  
As of July 1, 2012          
Total assets 117,400,000   117,400,000   116,000,000
Investment in unconsolidated investees $ 20,200,000   $ 20,200,000   $ 15,700,000