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NOTES PAYABLE AND SPECIAL ASSESSMENT OBLIGATIONS (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Oct. 31, 2017
Mar. 31, 2018
Sep. 30, 2018
Dec. 31, 2017
Debt Instrument [Line Items]        
Debt     $ 36,054 $ 34,551
Less: Deferred Financing Costs of Notes Payable     (360) (446)
Total Notes Payable, Net     35,694 $ 34,105
Unamortized discount     $ 360  
MacArthur Loan [Member]        
Debt Instrument [Line Items]        
Less: Deferred Financing Costs of Notes Payable $ (500)      
Special Assessment Bonds [Member]        
Debt Instrument [Line Items]        
Face Amount   $ 2,300    
Secured Debt [Member] | 50 Million Non-recourse Note Payable [Member]        
Debt Instrument [Line Items]        
Face Amount   $ 32,300    
Stated rate (percentage)   5.41%   5.31%
Secured Debt [Member] | 5.9 Million Note Payable [Member]        
Debt Instrument [Line Items]        
Face Amount   $ 5,900    
Stated rate (percentage)   5.75%    
Variable rate (percent)   2.00%    
Interest rate during period (percent)   5.75%    
Unsecured Debt [Member] | Legal Settlement [Member]        
Debt Instrument [Line Items]        
Face Amount   $ 10,200    
Stated rate (percentage)   4.00%    
Effective rate (percentage)   14.60%    
Unamortized discount   $ 1,000   $ 0
LIBOR [Member] | MacArthur Loan [Member]        
Debt Instrument [Line Items]        
Variable rate (percent) 3.75%      
Mortgage Loans On Real Estate Interest   1.88% 2.26% 1.56%
LIBOR [Member] | Secured Debt [Member] | 50 Million Non-recourse Note Payable [Member]        
Debt Instrument [Line Items]        
Variable rate (percent)   3.25%   3.75%
Prime Rate [Member] | Secured Debt [Member] | 5.9 Million Note Payable [Member]        
Debt Instrument [Line Items]        
Variable rate (percent)   3.00%    
Minimum [Member] | Special Assessment Bonds [Member]        
Debt Instrument [Line Items]        
Stated rate (percentage)   6.00%    
Maximum [Member] | Special Assessment Bonds [Member]        
Debt Instrument [Line Items]        
Stated rate (percentage)   7.50%    
Discontinued Operations, Disposed of by Sale [Member] | Secured Debt [Member] | 50 Million Non-recourse Note Payable [Member]        
Debt Instrument [Line Items]        
Debt     $ 20,368 $ 19,557
Continuing Operations [Member] | Special Assessment Bonds [Member]        
Debt Instrument [Line Items]        
Special Assessment Bond     103 116
Continuing Operations [Member] | Secured Debt [Member] | 5.9 Million Note Payable [Member]        
Debt Instrument [Line Items]        
Debt     5,940 5,940
Continuing Operations [Member] | Unsecured Debt [Member] | Legal Settlement [Member]        
Debt Instrument [Line Items]        
Debt     $ 9,643 $ 8,938