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11. Fair Value measurements (Details-Fireside receivables) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Contractual Balance [Member]
   
Fair values of the Fireside receivables and the related secured debt to their contractual balances    
Fireside receivables portfolio $ 9,122 $ 14,786
Debt secured by Fireside receivables portfolio 0 0
Fair Value [Member]
   
Fair values of the Fireside receivables and the related secured debt to their contractual balances    
Fireside receivables portfolio 9,058 14,476
Debt secured by Fireside receivables portfolio $ 8,576 $ 13,117