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Debt (Details Textual) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2013
Dec. 31, 2012
Sep. 27, 2012
Debt payable to third parties $ 6,260 $ 10,883  
Line of Credit Facility, Description The Credit Facility bears interest at the greater of prime rate + 1.0%, or 4.5%, and the maximum borrowing available under the Credit Facility is US $15,000, subject to Counsel RB maintaining a 1:2 ratio of capital funds    
Line of Credit Facility, Maximum Borrowing Capacity 15,000    
Line of Credit Facility, Collateral Assets 8,474 13,392  
Unused Line Fee, Description The Unused Line Fee is equal to the product of 0.50% per annum multiplied by the difference between $15,000 and the average loan amount outstanding during the month.    
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage 0.50%    
Line of Credit, Annual Facility Fee $50    
Line Of Credit One Time Facility Fee Payable     $ 75