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Organization and Basis of Presentation, Acquisition from Dubose Model Homes USA (Details) (Acquisition of Certain Tangible and Intangible Personal Property from Dubose Model Homes USA [Member], USD $)
1 Months Ended 12 Months Ended
Mar. 31, 2010
Employee
Counterparty
Dec. 31, 2012
Business Acquisition [Line Items]    
Number of limited partnerships with management services 19  
Cash paid to acquire entity $ 300,000  
Number of shares issued (in shares) 39,000  
Payment period (in years) 3 years  
Number of former DMHU employees employed 3  
Estimated liability for achievement of full earn-out 1,032,000  
Number of shares to be issued during earn-out period 120,000  
Total purchase price 1,332,000  
Goodwill recorded 1,123,000  
Reduction in liability for achievement of full earn-out   691,000
Tenant Relationships [Member]
   
Business Acquisition [Line Items]    
Purchase price attributable to customer relationships $ 209,000  
Amortization period of customer relationships 10 years  
DAP II [Member]
   
Business Acquisition [Line Items]    
Ownership interest at time of acquisition (in hundredths) 51.00%  
DAP III [Member]
   
Business Acquisition [Line Items]    
Ownership interest at time of acquisition (in hundredths) 51.00%