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Note 6. Intangible and Other Assets Related to Indian Casino Projects (Detail) (USD $)
Sep. 30, 2012
Jan. 01, 2012
Financing Receivable, Net $ 37,103,000 $ 35,236,000
Notes, Loans and Financing Receivable, Gross, Current 500,000 500,000
Shingle Springs Tribe [Member]
   
Other Receivables 3,800,000 6,000,000
Kevin Kean [Member]
   
Financing Receivable, Net $ 900,000 $ 1,300,000